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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:pypi/pyjwt@1.4.0
Typepypi
Namespace
Namepyjwt
Version1.4.0
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version2.13.0
Latest_non_vulnerable_version2.13.0
Affected_by_vulnerabilities
0
url VCID-2n5t-qfqc-mfbv
vulnerability_id VCID-2n5t-qfqc-mfbv
summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.
references
0
reference_url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-xgmm-8j9v-c9wx
reference_id
reference_type
scores
0
value 7.4
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-xgmm-8j9v-c9wx
1
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
reference_id 1138191
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
fixed_packages
0
url pkg:pypi/pyjwt@2.13.0
purl pkg:pypi/pyjwt@2.13.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@2.13.0
aliases CVE-2026-48526, GHSA-xgmm-8j9v-c9wx, PYSEC-2026-179
risk_score 3.4
exploitability 0.5
weighted_severity 6.7
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-2n5t-qfqc-mfbv
1
url VCID-35nm-u4sh-nugf
vulnerability_id VCID-35nm-u4sh-nugf
summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient.get_signing_key() forces a fresh HTTP request to the JWKS endpoint for every JWT with an unknown kid value, with no rate limiting. Since kid comes from the unverified token header, an attacker can trigger unlimited outbound requests. The vulnerability surfaces only when a JWKS fetch fails; an attacker can attempt to provoke that with sustained unknown-kid traffic, but the outcome depends on upstream JWKS-endpoint behavior (rate limiting, transient errors) which is beyond the attacker's control. This vulnerability is fixed in 2.13.0.
references
0
reference_url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-fhv5-28vv-h8m8
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:N/I:N/A:L
url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-fhv5-28vv-h8m8
1
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
reference_id 1138191
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
fixed_packages
0
url pkg:pypi/pyjwt@2.13.0
purl pkg:pypi/pyjwt@2.13.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@2.13.0
aliases CVE-2026-48524, GHSA-fhv5-28vv-h8m8, PYSEC-2026-177
risk_score 1.6
exploitability 0.5
weighted_severity 3.3
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-35nm-u4sh-nugf
2
url VCID-cdtk-hczs-jud3
vulnerability_id VCID-cdtk-hczs-jud3
summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen() which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no documented option to restrict which schemes PyJWKClient will fetch. If an application's jku URL ingestion path accepts attacker-influenced URLs (e.g., from JWT header, configuration file, OAuth flow parameter), the attacker can cause PyJWKClient to read arbitrary local files via file:// (SSRF on local filesystem), cause PyJWKClient to attempt FTP / data-URI fetches (broader SSRF surface), or forge tokens that PyJWT verifies as valid. The library does not directly return non-HTTP(S) URI contents to the attacker; the chained "plant a JWKS to forge tokens" scenario described in the original report requires additional application-layer flaws (attacker write access to a filesystem path, untrusted jku derivation) that this fix does not address. This vulnerability is fixed in 2.13.0.
references
0
reference_url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-993g-76c3-p5m4
reference_id
reference_type
scores
0
value 4.2
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-993g-76c3-p5m4
1
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
reference_id 1138191
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138191
fixed_packages
0
url pkg:pypi/pyjwt@2.13.0
purl pkg:pypi/pyjwt@2.13.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@2.13.0
aliases CVE-2026-48522, GHSA-993g-76c3-p5m4, PYSEC-2026-175
risk_score 1.9
exploitability 0.5
weighted_severity 3.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-cdtk-hczs-jud3
3
url VCID-d2zq-ad9y-ubbs
vulnerability_id VCID-d2zq-ad9y-ubbs
summary In PyJWT 1.5.0 and below the `invalid_strings` check in `HMACAlgorithm.prepare_key` does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string `-----BEGIN RSA PUBLIC KEY-----` which is not accounted for. This enables symmetric/asymmetric key confusion attacks against users using the PKCS1 PEM encoded public keys, which would allow an attacker to craft JWTs from scratch.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-11424.json
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-11424.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2017-11424
reference_id
reference_type
scores
0
value 0.00193
scoring_system epss
scoring_elements 0.40994
published_at 2026-06-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2017-11424
2
reference_url https://github.com/advisories/GHSA-r9jw-mwhq-wp62
reference_id
reference_type
scores
url https://github.com/advisories/GHSA-r9jw-mwhq-wp62
3
reference_url https://github.com/jpadilla/pyjwt
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/jpadilla/pyjwt
4
reference_url https://github.com/jpadilla/pyjwt/pull/277
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/jpadilla/pyjwt/pull/277
5
reference_url https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2017-24.yaml
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2017-24.yaml
6
reference_url http://www.debian.org/security/2017/dsa-3979
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url http://www.debian.org/security/2017/dsa-3979
7
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1482529
reference_id 1482529
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1482529
8
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=873244
reference_id 873244
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=873244
9
reference_url https://nvd.nist.gov/vuln/detail/CVE-2017-11424
reference_id CVE-2017-11424
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2017-11424
fixed_packages
0
url pkg:pypi/pyjwt@1.5.1
purl pkg:pypi/pyjwt@1.5.1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2n5t-qfqc-mfbv
1
vulnerability VCID-35nm-u4sh-nugf
2
vulnerability VCID-cdtk-hczs-jud3
3
vulnerability VCID-gptc-c34t-g3e4
4
vulnerability VCID-pfq1-5wrt-a3cd
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@1.5.1
aliases CVE-2017-11424, GHSA-r9jw-mwhq-wp62, PYSEC-2017-24
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-d2zq-ad9y-ubbs
4
url VCID-gptc-c34t-g3e4
vulnerability_id VCID-gptc-c34t-g3e4
summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined in RFC 7515 ยง4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting it. This violates the MUST requirement in the RFC. This vulnerability is fixed in 2.12.0.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32597.json
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32597.json
1
reference_url https://github.com/jpadilla/pyjwt
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/jpadilla/pyjwt
2
reference_url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f
3
reference_url https://lists.debian.org/debian-lts-announce/2026/05/msg00008.html
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://lists.debian.org/debian-lts-announce/2026/05/msg00008.html
4
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-32597
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-32597
5
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130662
reference_id 1130662
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130662
6
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2447194
reference_id 2447194
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2447194
7
reference_url https://access.redhat.com/errata/RHSA-2026:10140
reference_id RHSA-2026:10140
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:10140
8
reference_url https://access.redhat.com/errata/RHSA-2026:10141
reference_id RHSA-2026:10141
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:10141
9
reference_url https://access.redhat.com/errata/RHSA-2026:10184
reference_id RHSA-2026:10184
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:10184
10
reference_url https://access.redhat.com/errata/RHSA-2026:12176
reference_id RHSA-2026:12176
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:12176
11
reference_url https://access.redhat.com/errata/RHSA-2026:13508
reference_id RHSA-2026:13508
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13508
12
reference_url https://access.redhat.com/errata/RHSA-2026:13512
reference_id RHSA-2026:13512
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13512
13
reference_url https://access.redhat.com/errata/RHSA-2026:13545
reference_id RHSA-2026:13545
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13545
14
reference_url https://access.redhat.com/errata/RHSA-2026:13553
reference_id RHSA-2026:13553
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13553
15
reference_url https://access.redhat.com/errata/RHSA-2026:13672
reference_id RHSA-2026:13672
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13672
16
reference_url https://access.redhat.com/errata/RHSA-2026:13916
reference_id RHSA-2026:13916
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:13916
17
reference_url https://access.redhat.com/errata/RHSA-2026:17083
reference_id RHSA-2026:17083
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:17083
18
reference_url https://access.redhat.com/errata/RHSA-2026:19138
reference_id RHSA-2026:19138
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:19138
19
reference_url https://access.redhat.com/errata/RHSA-2026:19355
reference_id RHSA-2026:19355
reference_type
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url https://access.redhat.com/errata/RHSA-2026:19355
20
reference_url https://access.redhat.com/errata/RHSA-2026:19375
reference_id RHSA-2026:19375
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:19375
21
reference_url https://access.redhat.com/errata/RHSA-2026:19712
reference_id RHSA-2026:19712
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:19712
22
reference_url https://access.redhat.com/errata/RHSA-2026:21431
reference_id RHSA-2026:21431
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:21431
23
reference_url https://access.redhat.com/errata/RHSA-2026:21517
reference_id RHSA-2026:21517
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:21517
24
reference_url https://access.redhat.com/errata/RHSA-2026:22330
reference_id RHSA-2026:22330
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:22330
25
reference_url https://access.redhat.com/errata/RHSA-2026:6568
reference_id RHSA-2026:6568
reference_type
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url https://access.redhat.com/errata/RHSA-2026:6568
26
reference_url https://access.redhat.com/errata/RHSA-2026:6720
reference_id RHSA-2026:6720
reference_type
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url https://access.redhat.com/errata/RHSA-2026:6720
27
reference_url https://access.redhat.com/errata/RHSA-2026:6912
reference_id RHSA-2026:6912
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:6912
28
reference_url https://access.redhat.com/errata/RHSA-2026:6926
reference_id RHSA-2026:6926
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:6926
29
reference_url https://access.redhat.com/errata/RHSA-2026:8437
reference_id RHSA-2026:8437
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:8437
30
reference_url https://access.redhat.com/errata/RHSA-2026:8746
reference_id RHSA-2026:8746
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:8746
31
reference_url https://access.redhat.com/errata/RHSA-2026:8747
reference_id RHSA-2026:8747
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:8747
32
reference_url https://access.redhat.com/errata/RHSA-2026:8748
reference_id RHSA-2026:8748
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:8748
fixed_packages
0
url pkg:pypi/pyjwt@2.12.0
purl pkg:pypi/pyjwt@2.12.0
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2n5t-qfqc-mfbv
1
vulnerability VCID-35nm-u4sh-nugf
2
vulnerability VCID-c1pr-7t6u-hkcr
3
vulnerability VCID-cdtk-hczs-jud3
4
vulnerability VCID-hqrd-7f5d-nbh1
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@2.12.0
aliases CVE-2026-32597, GHSA-752w-5fwx-jx9f, PYSEC-2026-120
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-gptc-c34t-g3e4
Fixing_vulnerabilities
Risk_score4.0
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@1.4.0