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Package "python3-jwt"

Name: python3-jwt

Description:

Python 3 implementation of JSON Web Token
Latest version: 2.7.0-1ubuntu0.3
Release: noble (24.04)
Level: security
Repository: main
Head package: pyjwt
Homepage: https://github.com/jpadilla/pyjwt

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Repository Area Version
base main 2.7.0-1
updates main 2.7.0-1ubuntu0.2

Changelog

Version: 2.7.0-1ubuntu0.3 2026-10-14 05:07:54 UTC

pyjwt (2.7.0-1ubuntu0.3) noble-security; urgency=medium

  * SECURITY UPDATE: Unvalidated HTTP redirect traversal in PyJWKClient
    - debian/patches/CVE-2026-102267.patch: Reject redirects in PyJWKClient
      fetches in jwt/jwks_client.py, tests/test_jwks_client.py.
    - CVE-2026-102267
  * SECURITY UPDATE: Algorithm confusion via whitespace and line-break evasion
    in is_pem_format
    - debian/patches/CVE-2026-102268.patch: fix: reject loader-accepted PEM
      variants in jwt/utils.py, tests/test_algorithms.py.
    - CVE-2026-102268
  * SECURITY UPDATE: Algorithm confusion via DER-encoded public key bytes in
    HMACAlgorithm.prepare_key
    - debian/patches/CVE-2026-102271.patch: fix: reject DER public keys as
      HMAC secrets in jwt/algorithms.py, tests/test_algorithms.py.
    - CVE-2026-102271
  * SECURITY UPDATE: Key inspection bypass via UTF-8 Byte Order Mark (BOM) in
    HMACAlgorithm.prepare_key
    - debian/patches/CVE-2026-102272.patch: Reject encoded JWKs as HMAC keys
      in jwt/algorithms.py, tests/test_algorithms.py.
    - CVE-2026-102272
  * SECURITY UPDATE: Key-type spoofing via nested JWK container structures in
    HMACAlgorithm.prepare_key
    - debian/patches/CVE-2026-102273.patch: fix: reject public JWK container
      HMAC keys in jwt/algorithms.py, tests/test_algorithms.py.
    - CVE-2026-102273

 -- Hurman Thu, 08 Oct 2026 15:21:26 +0800
Source diff to previous version
CVE-2026-102267 PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT PyJWKClient is affected because redirect destinations are not re
CVE-2026-102268 PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, is_pem_format in jwt/utils.py is affected because is_pem_format does n
CVE-2026-102271 PyJWT is a Python implementation of JSON Web Token standards. From 2.4.0 until 2.14.0, PyJWT HMACAlgorithm.prepare_key is affected because asymmetric
CVE-2026-102272 PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HMACAlgorithm.prepare_key in jwt/algorithms.py is affected be
CVE-2026-102273 PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, PyJWT HMACAlgorithm.prepare_key is affected because HMAC key

Version: 2.7.0-1ubuntu0.2 2026-09-28 03:07:23 UTC

pyjwt (2.7.0-1ubuntu0.2) noble-security; urgency=medium

  * SECURITY UPDATE: multiple security vulnerabilities
    - debian/patches/CVE-2026-48522-to-48526.patch: Bundle security fixes and
      hardening into 2.13.0 in jwt/algorithms.py, jwt/api_jws.py,
      jwt/jwks_client.py, tests/test_algorithms.py, tests/test_api_jws.py,
      tests/test_jwks_client.py.
    - CVE-2026-48522
    - CVE-2026-48524
    - CVE-2026-48525
    - CVE-2026-48526

 -- Shishir Subedi Mon, 21 Sep 2026 13:39:20 +0545
Source diff to previous version
CVE-2026-48522 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 u
CVE-2026-48524 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 f
CVE-2026-48525 PyJWT is a JSON Web Token implementation in Python. From 2.8.0 to 2.12.1, when verifying detached JWS tokens using the unencoded-payload option ("b64
CVE-2026-48526 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

Version: 2.7.0-1ubuntu0.1 2026-03-30 21:08:21 UTC

  pyjwt (2.7.0-1ubuntu0.1) noble-security; urgency=medium

  * SECURITY UPDATE: Incorrect authorization of invalid JWS token.
    - debian/patches/CVE-2026-32597.patch: Add _supported_crit and checks
      for valid crit header in jwt/api_jws.py. Add tests in
      tests/test_api_jws.py and tests/test_api_jwt.py.
    - CVE-2026-32597

 -- Hlib Korzhynskyy <email address hidden> Thu, 26 Mar 2026 10:44:41 -0230
CVE-2026-32597 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


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