CVE WATCH / VULNERABILITY DETAIL
CVE-2026-102266
HIGHCVSS 7.4NVD feed
Published 28 September 2026 · tracked since 29 September 2026
Description
PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HMACAlgorithm.from_jwk is affected because PyJWK verification path used the decoded key without applying prepare_key validation. This occurs when a trusted JWK Set contains an oct entry with an empty k value. As
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-110199 MEDIUM 4.8
- CVE-2026-128128 HIGH 7.5
- CVE-2026-127217 MEDIUM 6.4
- CVE-2026-127216 MEDIUM 6.5
- CVE-2026-68905 HIGH 8.2
- CVE-2026-128089 HIGH 7.5
- CVE-2026-127215 HIGH 8.1
- CVE-2026-127214 HIGH 8.5
- CVE-2026-128088 LOW 2.2
- CVE-2026-128087 LOW 3.7