{"url":"http://public2.vulnerablecode.io/api/packages/9013?format=json","purl":"pkg:pypi/pyjwt@0.4.0","type":"pypi","namespace":"","name":"pyjwt","version":"0.4.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.12.0","latest_non_vulnerable_version":"2.12.0","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/10649?format=json","vulnerability_id":"VCID-f2z3-59j1-sbcz","summary":"JWT Verification bypass\nIt is possible for an attacker to bypass verification when \"a token digitally signed with an asymetric key (RS/ES family) of algorithms but instead the attacker send a token digitally signed with a symmetric algorithm (HS* family)\". It is also possible for an attacker to create his own signed token with any payload he wants and have it considered valid using the \"none\" algorithm.","references":[{"reference_url":"https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries/","reference_id":"","reference_type":"","scores":[],"url":"https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries/"},{"reference_url":"https://github.com/jpadilla/pyjwt/commit/88a9fc56bdc6c870aa6af93bda401414a217db2a","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/jpadilla/pyjwt/commit/88a9fc56bdc6c870aa6af93bda401414a217db2a"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/9017?format=json","purl":"pkg:pypi/pyjwt@1.0.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-hsbn-cwfz-efh6"},{"vulnerability":"VCID-wpjr-kr1k-rba8"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@1.0.0"}],"aliases":["GMS-2015-6"],"risk_score":null,"exploitability":"0.5","weighted_severity":"0.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-f2z3-59j1-sbcz"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9571?format=json","vulnerability_id":"VCID-hsbn-cwfz-efh6","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 §4.1.11. 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":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32597.json","reference_id":"","reference_type":"","scores":[{"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"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-32597","reference_id":"","reference_type":"","scores":[{"value":"0.00014","scoring_system":"epss","scoring_elements":"0.02762","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-32597"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"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"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/jpadilla/pyjwt","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jpadilla/pyjwt"},{"reference_url":"https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T14:48:42Z/"}],"url":"https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2026/05/msg00008.html","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2026/05/msg00008.html"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32597","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32597"},{"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"},{"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"},{"reference_url":"https://github.com/advisories/GHSA-752w-5fwx-jx9f","reference_id":"GHSA-752w-5fwx-jx9f","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-752w-5fwx-jx9f"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:19355","reference_id":"RHSA-2026:19355","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:19355"},{"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"},{"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"},{"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"},{"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"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6568","reference_id":"RHSA-2026:6568","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:6568"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6720","reference_id":"RHSA-2026:6720","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:6720"},{"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"},{"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"},{"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"},{"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"},{"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"},{"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"},{"reference_url":"https://usn.ubuntu.com/8133-1/","reference_id":"USN-8133-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/8133-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/47648?format=json","purl":"pkg:pypi/pyjwt@2.12.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"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":3.4,"exploitability":"0.5","weighted_severity":"6.8","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-hsbn-cwfz-efh6"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7451?format=json","vulnerability_id":"VCID-wpjr-kr1k-rba8","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":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-11424","reference_id":"","reference_type":"","scores":[{"value":"0.00193","scoring_system":"epss","scoring_elements":"0.41008","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-11424"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11424","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11424"},{"reference_url":"https://github.com/advisories/GHSA-r9jw-mwhq-wp62","reference_id":"","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-r9jw-mwhq-wp62"},{"reference_url":"https://github.com/jpadilla/pyjwt","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jpadilla/pyjwt"},{"reference_url":"https://github.com/jpadilla/pyjwt/pull/277","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jpadilla/pyjwt/pull/277"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2017-24.yaml","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2017-24.yaml"},{"reference_url":"http://www.debian.org/security/2017/dsa-3979","reference_id":"","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.debian.org/security/2017/dsa-3979"},{"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"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11424","reference_id":"CVE-2017-11424","reference_type":"","scores":[{"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"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11424"},{"reference_url":"https://usn.ubuntu.com/3407-1/","reference_id":"USN-3407-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/3407-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/9025?format=json","purl":"pkg:pypi/pyjwt@1.5.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-hsbn-cwfz-efh6"},{"vulnerability":"VCID-z91x-sjpt-7kf3"}],"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-wpjr-kr1k-rba8"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/pyjwt@0.4.0"}