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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:pypi/werkzeug@3.1.6
Typepypi
Namespace
Namewerkzeug
Version3.1.6
Qualifiers
Subpath
Is_vulnerablefalse
Next_non_vulnerable_versionnull
Latest_non_vulnerable_versionnull
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
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
scores
0
value 0.0002
scoring_system epss
scoring_elements 0.05298
published_at 2026-04-02T12:55:00Z
1
value 0.0002
scoring_system epss
scoring_elements 0.05304
published_at 2026-04-16T12:55:00Z
2
value 0.0002
scoring_system epss
scoring_elements 0.05357
published_at 2026-04-13T12:55:00Z
3
value 0.0002
scoring_system epss
scoring_elements 0.05366
published_at 2026-04-12T12:55:00Z
4
value 0.0002
scoring_system epss
scoring_elements 0.05377
published_at 2026-04-11T12:55:00Z
5
value 0.0002
scoring_system epss
scoring_elements 0.05409
published_at 2026-04-09T12:55:00Z
6
value 0.0002
scoring_system epss
scoring_elements 0.05386
published_at 2026-04-08T12:55:00Z
7
value 0.0002
scoring_system epss
scoring_elements 0.05352
published_at 2026-04-07T12:55:00Z
8
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
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 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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pallets/werkzeug
3
reference_url https://github.com/pallets/werkzeug/commit/f407712fdc60a09c2b3f4fe7db557703e5d9338d
reference_id
reference_type
scores
0
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
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/2026-02-24T19:02:05Z/
url https://github.com/pallets/werkzeug/commit/f407712fdc60a09c2b3f4fe7db557703e5d9338d
4
reference_url https://github.com/pallets/werkzeug/releases/tag/3.1.6
reference_id
reference_type
scores
0
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
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/2026-02-24T19:02:05Z/
url https://github.com/pallets/werkzeug/releases/tag/3.1.6
5
reference_url https://github.com/pallets/werkzeug/security/advisories/GHSA-29vq-49wr-vm6x
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: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/2026-02-24T19:02:05Z/
url https://github.com/pallets/werkzeug/security/advisories/GHSA-29vq-49wr-vm6x
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-27199
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-27199
7
reference_url https://github.com/advisories/GHSA-29vq-49wr-vm6x
reference_id GHSA-29vq-49wr-vm6x
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-29vq-49wr-vm6x
fixed_packages
0
url pkg:pypi/werkzeug@3.1.6
purl pkg:pypi/werkzeug@3.1.6
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.1.6
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
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:pypi/werkzeug@3.1.6