Authlib: empty signatures validation in JWS JSON deserialization
影響: pip:authlib <= 1.8.0 → 1.9.0
Authlib (prior to 1.9.0) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key. Root cause authlib/jose/rfc7515/jws.py, read on the installed 1.8.0 artifact: python is_valid = True # set before anything is checked for header_obj in obj["signatures"]: # empty array means the body never…
| CVE | CVE-2026-96760 |
|---|---|
| 정보원 | GitHub Advisory Database |
| 수집 시각 | 2026. 10. 28. 오전 06:03 |
| 데이터 | Markdown JSON |
2026. 10. 27. 오후 11:50, GitHub Advisory Database에서 "Authlib: empty signatures validation in JWS JSON deserialization"을(를) 게시했습니다 (유형: 취약점 권고). 심각도는 "긴급"(critical)입니다. 관련 기술: Python. CVE: CVE-2026-96760.