SUSE-SU-2026:2626-1

Details

Description of the patch:

This update for python-PyJWT fixes the following issues

CVE-2026-48522: PyJWKClient passes URI arguments directly to urllib.request.urlopen() and allows for SSRF and token forgery (bsc#1266798).
CVE-2026-48523: verifier-side algorithm allow-list bypass when jwt.decode() or jwt.decode_complete() are called with a PyJWK key (bsc#1266799).
CVE-2026-48524: unlimited processing of JWTs with unknown kid values by PyJWKClient.get_signing_key() leads to unbounded JWKS endpoint requests and DoS (bsc#1266800).
CVE-2026-48525: unbounded Base64URL decoding of unused payload segment in b64=false detached JWS allows for DoS (bsc#1266801).
CVE-2026-48526: no validation of use of JSON Web Keys in HMAC algorithm when decoding JSON Web Tokens allows for forged HS256 tokens (bsc#1266802).

Affected Packages

python311-PyJWT

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP4SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5

Fixed in:

2.8.0-150400.8.13.1

References

ADVISORY

https://bugzilla.suse.com/1266798

ADVISORY

https://bugzilla.suse.com/1266799

ADVISORY

https://bugzilla.suse.com/1266800

ADVISORY

https://bugzilla.suse.com/1266801

ADVISORY