Django REST framework

Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:pypi/werkzeug@0.11.6
Typepypi
Namespace
Namewerkzeug
Version0.11.6
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version3.1.6
Latest_non_vulnerable_version3.1.6
Affected_by_vulnerabilities
0
url VCID-19qx-5d4g-pfdn
vulnerability_id VCID-19qx-5d4g-pfdn
summary 
Werkzeug safe_join not safe on Windows
On Python < 3.11 on Windows, `os.path.isabs()` does not catch UNC paths like `//server/share`. Werkzeug's `safe_join()` relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-49766.json
reference_id
reference_type
scores
0
value 3.7
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-49766.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2024-49766
reference_id
reference_type
scores
0
value 0.01392
scoring_system epss
scoring_elements 0.80369
published_at 2026-04-13T12:55:00Z
1
value 0.01392
scoring_system epss
scoring_elements 0.80375
published_at 2026-04-12T12:55:00Z
2
value 0.01392
scoring_system epss
scoring_elements 0.8039
published_at 2026-04-11T12:55:00Z
3
value 0.01392
scoring_system epss
scoring_elements 0.80372
published_at 2026-04-09T12:55:00Z
4
value 0.01392
scoring_system epss
scoring_elements 0.80361
published_at 2026-04-08T12:55:00Z
5
value 0.01392
scoring_system epss
scoring_elements 0.80333
published_at 2026-04-07T12:55:00Z
6
value 0.01392
scoring_system epss
scoring_elements 0.80344
published_at 2026-04-04T12:55:00Z
7
value 0.01392
scoring_system epss
scoring_elements 0.80324
published_at 2026-04-02T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2024-49766
2
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 3.7
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
3
reference_url https://github.com/pallets/werkzeug
reference_id
reference_type
scores
0
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug
4
reference_url https://github.com/pallets/werkzeug/commit/2767bcb10a7dd1c297d812cc5e6d11a474c1f092
reference_id
reference_type
scores
0
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-25T20:08:46Z/
url https://github.com/pallets/werkzeug/commit/2767bcb10a7dd1c297d812cc5e6d11a474c1f092
5
reference_url https://github.com/pallets/werkzeug/releases/tag/3.0.6
reference_id
reference_type
scores
0
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-25T20:08:46Z/
url https://github.com/pallets/werkzeug/releases/tag/3.0.6
6
reference_url https://github.com/pallets/werkzeug/security/advisories/GHSA-f9vj-2wh5-fj8j
reference_id
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
1
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-25T20:08:46Z/
url https://github.com/pallets/werkzeug/security/advisories/GHSA-f9vj-2wh5-fj8j
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2024-49766
reference_id
reference_type
scores
0
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2024-49766
8
reference_url https://security.netapp.com/advisory/ntap-20250131-0005
reference_id
reference_type
scores
0
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://security.netapp.com/advisory/ntap-20250131-0005
9
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2321828
reference_id 2321828
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2321828
10
reference_url https://github.com/advisories/GHSA-f9vj-2wh5-fj8j
reference_id GHSA-f9vj-2wh5-fj8j
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-f9vj-2wh5-fj8j
fixed_packages
0
url pkg:pypi/werkzeug@3.0.6
purl pkg:pypi/werkzeug@3.0.6
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3mxv-vxtj-8kde
1
vulnerability VCID-6cpm-rdw8-7fh6
2
vulnerability VCID-jxz2-8tqb-mbeg
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.0.6
aliases CVE-2024-49766, GHSA-f9vj-2wh5-fj8j
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-19qx-5d4g-pfdn
1
url VCID-1qj3-zz1y-2ydy
vulnerability_id VCID-1qj3-zz1y-2ydy
summary Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
references
0
reference_url http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00034.html
reference_id
reference_type
scores
url http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00034.html
1
reference_url http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00047.html
reference_id
reference_type
scores
url http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00047.html
2
reference_url https://github.com/pallets/werkzeug/blob/7fef41b120327d3912fbe12fb64f1951496fcf3e/src/werkzeug/debug/__init__.py#L168
reference_id
reference_type
scores
url https://github.com/pallets/werkzeug/blob/7fef41b120327d3912fbe12fb64f1951496fcf3e/src/werkzeug/debug/__init__.py#L168
3
reference_url https://github.com/pallets/werkzeug/commit/00bc43b1672e662e5e3b8cecd79e67fc968fa246
reference_id
reference_type
scores
url https://github.com/pallets/werkzeug/commit/00bc43b1672e662e5e3b8cecd79e67fc968fa246
4
reference_url https://palletsprojects.com/blog/werkzeug-0-15-3-released/
reference_id
reference_type
scores
url https://palletsprojects.com/blog/werkzeug-0-15-3-released/
fixed_packages
0
url pkg:pypi/werkzeug@0.15.3
purl pkg:pypi/werkzeug@0.15.3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
4
vulnerability VCID-fkmf-d4ju-bbc3
5
vulnerability VCID-gv2s-q6ga-23gr
6
vulnerability VCID-jxz2-8tqb-mbeg
7
vulnerability VCID-kycs-rbvn-z3e7
8
vulnerability VCID-myg8-m4rh-ruae
9
vulnerability VCID-qjcy-54yn-qybs
10
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.15.3
aliases PYSEC-2019-70
risk_score null
exploitability 0.5
weighted_severity 0.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-1qj3-zz1y-2ydy
2
url VCID-3mxv-vxtj-8kde
vulnerability_id VCID-3mxv-vxtj-8kde
summary 
Werkzeug safe_join() allows Windows special device names with compound extensions
Werkzeug's `safe_join` function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as `CON`, `AUX`, etc that are implicitly present and readable in every directory. Windows still accepts them with any file extension, such as `CON.txt`, or trailing spaces such as `CON `.

This was previously reported as https://github.com/pallets/werkzeug/security/advisories/GHSA-hgf8-39gv-g3f2, but the fix failed to account for compound extensions such as `CON.txt.html` or trailing spaces. It also missed some additional special names.

`send_from_directory` uses `safe_join` to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-21860
reference_id
reference_type
scores
0
value 0.00022
scoring_system epss
scoring_elements 0.05881
published_at 2026-04-02T12:55:00Z
1
value 0.00022
scoring_system epss
scoring_elements 0.05946
published_at 2026-04-13T12:55:00Z
2
value 0.00022
scoring_system epss
scoring_elements 0.05955
published_at 2026-04-12T12:55:00Z
3
value 0.00022
scoring_system epss
scoring_elements 0.05965
published_at 2026-04-11T12:55:00Z
4
value 0.00022
scoring_system epss
scoring_elements 0.05983
published_at 2026-04-09T12:55:00Z
5
value 0.00022
scoring_system epss
scoring_elements 0.05944
published_at 2026-04-08T12:55:00Z
6
value 0.00022
scoring_system epss
scoring_elements 0.05905
published_at 2026-04-07T12:55:00Z
7
value 0.00022
scoring_system epss
scoring_elements 0.05914
published_at 2026-04-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-21860
1
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2
reference_url https://github.com/pallets/werkzeug
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug
3
reference_url https://github.com/pallets/werkzeug/commit/7ae1d254e04a0c33e241ac1cca4783ce6c875ca3
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-08T18:50:24Z/
url https://github.com/pallets/werkzeug/commit/7ae1d254e04a0c33e241ac1cca4783ce6c875ca3
4
reference_url https://github.com/pallets/werkzeug/security/advisories/GHSA-87hc-h4r5-73f7
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
2
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3
value MODERATE
scoring_system generic_textual
scoring_elements
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-08T18:50:24Z/
url https://github.com/pallets/werkzeug/security/advisories/GHSA-87hc-h4r5-73f7
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-21860
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-21860
6
reference_url https://github.com/advisories/GHSA-87hc-h4r5-73f7
reference_id GHSA-87hc-h4r5-73f7
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-87hc-h4r5-73f7
fixed_packages
0
url pkg:pypi/werkzeug@3.1.5
purl pkg:pypi/werkzeug@3.1.5
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jxz2-8tqb-mbeg
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.1.5
aliases CVE-2026-21860, GHSA-87hc-h4r5-73f7
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-3mxv-vxtj-8kde
3
url VCID-3t8t-yt9b-1fce
vulnerability_id VCID-3t8t-yt9b-1fce
summary Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 (as used in Pallets Flask and other products) allows remote attackers to inject arbitrary web script or HTML via a field that contains an exception message.
references
0
reference_url http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger
1
reference_url http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/
reference_id
reference_type
scores
url http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/
2
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10516.json
reference_id
reference_type
scores
0
value 7.1
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10516.json
3
reference_url https://api.first.org/data/v1/epss?cve=CVE-2016-10516
reference_id
reference_type
scores
0
value 0.00314
scoring_system epss
scoring_elements 0.54554
published_at 2026-04-04T12:55:00Z
1
value 0.00314
scoring_system epss
scoring_elements 0.5453
published_at 2026-04-02T12:55:00Z
2
value 0.00314
scoring_system epss
scoring_elements 0.54455
published_at 2026-04-01T12:55:00Z
3
value 0.00411
scoring_system epss
scoring_elements 0.61371
published_at 2026-04-13T12:55:00Z
4
value 0.00411
scoring_system epss
scoring_elements 0.61321
published_at 2026-04-07T12:55:00Z
5
value 0.00411
scoring_system epss
scoring_elements 0.61368
published_at 2026-04-08T12:55:00Z
6
value 0.00411
scoring_system epss
scoring_elements 0.61384
published_at 2026-04-09T12:55:00Z
7
value 0.00411
scoring_system epss
scoring_elements 0.61405
published_at 2026-04-11T12:55:00Z
8
value 0.00411
scoring_system epss
scoring_elements 0.6139
published_at 2026-04-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2016-10516
4
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10516
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10516
5
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 4
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:N
1
value 5.4
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
6
reference_url https://github.com/advisories/GHSA-h2fp-xgx6-xh6f
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
2
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/advisories/GHSA-h2fp-xgx6-xh6f
7
reference_url https://github.com/pallets/werkzeug
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug
8
reference_url https://github.com/pallets/werkzeug/commit/1034edc7f901dd645ec6e462754111b39002bd65
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug/commit/1034edc7f901dd645ec6e462754111b39002bd65
9
reference_url https://github.com/pallets/werkzeug/pull/1001
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug/pull/1001
10
reference_url https://github.com/pypa/advisory-database/tree/main/vulns/werkzeug/PYSEC-2017-43.yaml
reference_id
reference_type
scores
0
value 6.1
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
1
value MODERATE
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purl pkg:pypi/werkzeug@0.11.11
is_vulnerable true
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0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-1qj3-zz1y-2ydy
2
vulnerability VCID-3mxv-vxtj-8kde
3
vulnerability VCID-56e9-csba-kqa8
4
vulnerability VCID-6cpm-rdw8-7fh6
5
vulnerability VCID-bxfr-hpkh-cyby
6
vulnerability VCID-fkmf-d4ju-bbc3
7
vulnerability VCID-gv2s-q6ga-23gr
8
vulnerability VCID-jxz2-8tqb-mbeg
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vulnerability VCID-kycs-rbvn-z3e7
10
vulnerability VCID-myg8-m4rh-ruae
11
vulnerability VCID-qjcy-54yn-qybs
12
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.11.11
aliases CVE-2016-10516, GHSA-h2fp-xgx6-xh6f, PYSEC-2017-43
risk_score 3.2
exploitability 0.5
weighted_severity 6.4
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-3t8t-yt9b-1fce
4
url VCID-56e9-csba-kqa8
vulnerability_id VCID-56e9-csba-kqa8
summary Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
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9
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purl pkg:pypi/werkzeug@0.15.3
is_vulnerable true
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0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
4
vulnerability VCID-fkmf-d4ju-bbc3
5
vulnerability VCID-gv2s-q6ga-23gr
6
vulnerability VCID-jxz2-8tqb-mbeg
7
vulnerability VCID-kycs-rbvn-z3e7
8
vulnerability VCID-myg8-m4rh-ruae
9
vulnerability VCID-qjcy-54yn-qybs
10
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.15.3
aliases CVE-2019-14806, GHSA-gq9m-qvpx-68hc, PYSEC-2019-140
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-56e9-csba-kqa8
5
url VCID-6cpm-rdw8-7fh6
vulnerability_id VCID-6cpm-rdw8-7fh6
summary 
Werkzeug safe_join() allows Windows special device names
Werkzeug's `safe_join` function allows path segments with Windows device names. On Windows, there are special device names such as `CON`, `AUX`, etc that are implicitly present and readable in every directory. `send_from_directory` uses `safe_join` to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely.
references
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url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66221.json
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published_at 2026-04-12T12:55:00Z
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scoring_elements 0.09268
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scoring_elements 0.0918
published_at 2026-04-02T12:55:00Z
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reference_url https://github.com/pallets/werkzeug
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fixed_packages
0
url pkg:pypi/werkzeug@3.1.4
purl pkg:pypi/werkzeug@3.1.4
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3mxv-vxtj-8kde
1
vulnerability VCID-jxz2-8tqb-mbeg
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.1.4
aliases CVE-2025-66221, GHSA-hgf8-39gv-g3f2
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-6cpm-rdw8-7fh6
6
url VCID-bxfr-hpkh-cyby
vulnerability_id VCID-bxfr-hpkh-cyby
summary Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. This vulnerability has been patched in version 3.0.1.
references
0
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url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-46136.json
1
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published_at 2026-04-12T12:55:00Z
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reference_url https://access.redhat.com/errata/RHSA-2024:0214
reference_id RHSA-2024:0214
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reference_url https://access.redhat.com/errata/RHSA-2025:9775
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fixed_packages
0
url pkg:pypi/werkzeug@2.3.8
purl pkg:pypi/werkzeug@2.3.8
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0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-jxz2-8tqb-mbeg
4
vulnerability VCID-myg8-m4rh-ruae
5
vulnerability VCID-qjcy-54yn-qybs
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@2.3.8
1
url pkg:pypi/werkzeug@3.0.1
purl pkg:pypi/werkzeug@3.0.1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-jxz2-8tqb-mbeg
4
vulnerability VCID-myg8-m4rh-ruae
5
vulnerability VCID-qjcy-54yn-qybs
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.0.1
aliases CVE-2023-46136, GHSA-hrfv-mqp8-q5rw, PYSEC-2023-221
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-bxfr-hpkh-cyby
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url VCID-fkmf-d4ju-bbc3
vulnerability_id VCID-fkmf-d4ju-bbc3
summary ** DISPUTED ** Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-29361.json
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published_at 2026-04-07T12:55:00Z
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value 0.31113
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url https://api.first.org/data/v1/epss?cve=CVE-2022-29361
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reference_url https://github.com/pallets/werkzeug/issues/2420
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reference_id CVE-2022-29361
reference_type
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url https://nvd.nist.gov/vuln/detail/CVE-2022-29361
fixed_packages
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url pkg:pypi/werkzeug@2.1.1
purl pkg:pypi/werkzeug@2.1.1
is_vulnerable true
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0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
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vulnerability VCID-jxz2-8tqb-mbeg
5
vulnerability VCID-kycs-rbvn-z3e7
6
vulnerability VCID-myg8-m4rh-ruae
7
vulnerability VCID-qjcy-54yn-qybs
8
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@2.1.1
aliases CVE-2022-29361, PYSEC-2022-203
risk_score 0.1
exploitability 0.5
weighted_severity 0.3
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-fkmf-d4ju-bbc3
8
url VCID-gv2s-q6ga-23gr
vulnerability_id VCID-gv2s-q6ga-23gr
summary 
Pallets Werkzeug vulnerable to Path Traversal
In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.
references
0
reference_url http://packetstormsecurity.com/files/163398/Pallets-Werkzeug-0.15.4-Path-Traversal.html
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value HIGH
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url http://packetstormsecurity.com/files/163398/Pallets-Werkzeug-0.15.4-Path-Traversal.html
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2019-14322
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scoring_elements 0.99584
published_at 2026-04-13T12:55:00Z
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published_at 2026-04-01T12:55:00Z
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published_at 2026-04-02T12:55:00Z
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published_at 2026-04-11T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2019-14322
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reference_url https://github.com/pallets/werkzeug
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reference_url https://nvd.nist.gov/vuln/detail/CVE-2019-14322
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reference_url https://palletsprojects.com/blog/werkzeug-0-15-5-released
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1
value HIGH
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url https://palletsprojects.com/blog/werkzeug-0-15-5-released
5
reference_url https://palletsprojects.com/blog/werkzeug-0-15-5-released/
reference_id
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url https://palletsprojects.com/blog/werkzeug-0-15-5-released/
6
reference_url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/python/webapps/50101.py
reference_id CVE-2019-14322
reference_type exploit
scores
url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/python/webapps/50101.py
7
reference_url https://github.com/advisories/GHSA-j544-7q9p-6xp8
reference_id GHSA-j544-7q9p-6xp8
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value HIGH
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url https://github.com/advisories/GHSA-j544-7q9p-6xp8
fixed_packages
0
url pkg:pypi/werkzeug@0.15.5
purl pkg:pypi/werkzeug@0.15.5
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
4
vulnerability VCID-fkmf-d4ju-bbc3
5
vulnerability VCID-jxz2-8tqb-mbeg
6
vulnerability VCID-kycs-rbvn-z3e7
7
vulnerability VCID-myg8-m4rh-ruae
8
vulnerability VCID-qjcy-54yn-qybs
9
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.15.5
aliases CVE-2019-14322, GHSA-j544-7q9p-6xp8
risk_score 10.0
exploitability 2.0
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-gv2s-q6ga-23gr
9
url VCID-jxz2-8tqb-mbeg
vulnerability_id VCID-jxz2-8tqb-mbeg
summary 
Werkzeug safe_join() allows Windows special device names
Werkzeug's `safe_join` function allows Windows device names as filenames if when preceded by other path segments.

This was previously reported as https://github.com/pallets/werkzeug/security/advisories/GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact that `safe_join` accepts paths with multiple segments, such as `example/NUL`.

`send_from_directory` uses `safe_join` to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-27199
reference_id
reference_type
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scoring_elements 0.05298
published_at 2026-04-02T12:55:00Z
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value 0.0002
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published_at 2026-04-13T12:55:00Z
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value 0.0002
scoring_system epss
scoring_elements 0.05366
published_at 2026-04-12T12:55:00Z
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value 0.0002
scoring_system epss
scoring_elements 0.05377
published_at 2026-04-11T12:55:00Z
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value 0.0002
scoring_system epss
scoring_elements 0.05409
published_at 2026-04-09T12:55:00Z
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value 0.0002
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scoring_elements 0.05386
published_at 2026-04-08T12:55:00Z
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value 0.0002
scoring_system epss
scoring_elements 0.05352
published_at 2026-04-07T12:55:00Z
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value 0.0002
scoring_system epss
scoring_elements 0.0533
published_at 2026-04-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-27199
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scoring_system cvssv3.1
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url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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reference_url https://github.com/pallets/werkzeug
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3
reference_url https://github.com/pallets/werkzeug/commit/f407712fdc60a09c2b3f4fe7db557703e5d9338d
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4
reference_url https://github.com/pallets/werkzeug/releases/tag/3.1.6
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5
reference_url https://github.com/pallets/werkzeug/security/advisories/GHSA-29vq-49wr-vm6x
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reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-27199
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fixed_packages
0
url pkg:pypi/werkzeug@3.1.6
purl pkg:pypi/werkzeug@3.1.6
is_vulnerable false
affected_by_vulnerabilities
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aliases CVE-2026-27199, GHSA-29vq-49wr-vm6x
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-jxz2-8tqb-mbeg
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url VCID-kycs-rbvn-z3e7
vulnerability_id VCID-kycs-rbvn-z3e7
summary Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3.
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url pkg:pypi/werkzeug@2.2.3
purl pkg:pypi/werkzeug@2.2.3
is_vulnerable true
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vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
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vulnerability VCID-jxz2-8tqb-mbeg
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vulnerability VCID-myg8-m4rh-ruae
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vulnerability VCID-qjcy-54yn-qybs
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@2.2.3
aliases CVE-2023-23934, GHSA-px8h-6qxv-m22q, PYSEC-2023-57
risk_score 1.4
exploitability 0.5
weighted_severity 2.7
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-kycs-rbvn-z3e7
11
url VCID-myg8-m4rh-ruae
vulnerability_id VCID-myg8-m4rh-ruae
summary 
Werkzeug possible resource exhaustion when parsing file data in forms
Applications using Werkzeug to parse `multipart/form-data` requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the `Request.max_form_memory_size` setting.


The `Request.max_content_length` setting, as well as resource limits provided by deployment software and platforms, are also available to limit the resources used during a request. This vulnerability does not affect those settings. All three types of limits should be considered and set appropriately when deploying an application.
references
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fixed_packages
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purl pkg:pypi/werkzeug@3.0.6
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3mxv-vxtj-8kde
1
vulnerability VCID-6cpm-rdw8-7fh6
2
vulnerability VCID-jxz2-8tqb-mbeg
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.0.6
aliases CVE-2024-49767, GHSA-q34m-jh98-gwm2
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-myg8-m4rh-ruae
12
url VCID-qjcy-54yn-qybs
vulnerability_id VCID-qjcy-54yn-qybs
summary 
Werkzeug debugger vulnerable to remote execution when interacting with attacker controlled domain
The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it allows access to the debugger even if it is only running on localhost. This also requires the attacker to guess a URL in the developer's application that will trigger the debugger.
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fixed_packages
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url pkg:pypi/werkzeug@3.0.3
purl pkg:pypi/werkzeug@3.0.3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-jxz2-8tqb-mbeg
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vulnerability VCID-myg8-m4rh-ruae
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.0.3
aliases CVE-2024-34069, GHSA-2g68-c3qc-8985
risk_score 10.0
exploitability 2.0
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-qjcy-54yn-qybs
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url VCID-qn4r-71h3-sbgb
vulnerability_id VCID-qn4r-71h3-sbgb
summary Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.
references
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reference_type
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reference_url https://usn.ubuntu.com/5948-2/
reference_id USN-5948-2
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fixed_packages
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url pkg:pypi/werkzeug@2.2.3
purl pkg:pypi/werkzeug@2.2.3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-3mxv-vxtj-8kde
2
vulnerability VCID-6cpm-rdw8-7fh6
3
vulnerability VCID-bxfr-hpkh-cyby
4
vulnerability VCID-jxz2-8tqb-mbeg
5
vulnerability VCID-myg8-m4rh-ruae
6
vulnerability VCID-qjcy-54yn-qybs
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@2.2.3
aliases CVE-2023-25577, GHSA-xg9f-g7g7-2323, PYSEC-2023-58
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-qn4r-71h3-sbgb
Fixing_vulnerabilities
0
url VCID-q13z-976n-gke3
vulnerability_id VCID-q13z-976n-gke3
summary Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.
references
0
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reference_id
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value 5.4
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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reference_id
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scoring_system epss
scoring_elements 0.75984
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scoring_system epss
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scoring_system epss
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scoring_system epss
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reference_id
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reference_id
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scoring_system cvssv3.1_qr
scoring_elements
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reference_id
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scoring_system generic_textual
scoring_elements
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reference_url https://github.com/pallets/werkzeug
reference_id
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1
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scoring_system generic_textual
scoring_elements
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reference_id
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scoring_system generic_textual
scoring_elements
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scoring_system generic_textual
scoring_elements
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scoring_system generic_textual
scoring_elements
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scoring_system generic_textual
scoring_elements
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fixed_packages
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url pkg:pypi/werkzeug@0.11.6
purl pkg:pypi/werkzeug@0.11.6
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-19qx-5d4g-pfdn
1
vulnerability VCID-1qj3-zz1y-2ydy
2
vulnerability VCID-3mxv-vxtj-8kde
3
vulnerability VCID-3t8t-yt9b-1fce
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vulnerability VCID-56e9-csba-kqa8
5
vulnerability VCID-6cpm-rdw8-7fh6
6
vulnerability VCID-bxfr-hpkh-cyby
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vulnerability VCID-fkmf-d4ju-bbc3
8
vulnerability VCID-gv2s-q6ga-23gr
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vulnerability VCID-jxz2-8tqb-mbeg
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vulnerability VCID-kycs-rbvn-z3e7
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vulnerability VCID-myg8-m4rh-ruae
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vulnerability VCID-qjcy-54yn-qybs
13
vulnerability VCID-qn4r-71h3-sbgb
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.11.6
aliases CVE-2020-28724, GHSA-3p3h-qghp-hvh2, PYSEC-2020-157
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-q13z-976n-gke3
Risk_score10.0
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@0.11.6