{"schema":"threatline.record/2","record":{"id":"CVE-2026-96760","aliases":[],"summary":"Authlib library contains a signature‑verification bypass vulnerability","details":"Authlib (v1.7.2 and below) 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.","categories":["Unclassified"],"product":"Authlib","vendor":"Authlib","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-96760","source_modified_at":"2026-10-01T13:58:32.806Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Authlib","vendor":"Authlib","versions":[{"status":"affected","version":"1.7.2"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00278,"percentile":0.19237,"score_date":"2026-10-23"},"published_at":"2026-09-28T19:37:58.973Z","modified_at":"2026-10-01T13:58:32.806Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-96760","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T13:58:32.806Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-96760","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/authlib/authlib"},{"source":"CVE List","url":"https://kb.cert.org/vuls/id/762428"},{"source":"CVE List","url":"https://www.kb.cert.org/vuls/id/762428"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-01T13:57:45.534196Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T13:58:32.806Z","content_hash":"9c418f057a4dd4bb34b6c4e390cd81da5a53dbc13bad0c1ec9b065de331e6927"}}