{"api_version":"1","generated_at":"2026-09-28T21:54:41+00:00","cve":"CVE-2026-96760","urls":{"html":"https://cve.report/CVE-2026-96760","api":"https://cve.report/api/cve/CVE-2026-96760.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-96760","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-96760"},"summary":{"title":"Authlib library contains a signature‑verification bypass vulnerability","description":"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.","state":"PUBLISHED","assigner":"certcc","published_at":"2026-09-28 20:17:11","updated_at":"2026-09-28 21:17:19"},"problem_types":["CWE-347 Improper Verification of Cryptographic Signature","CWE-670 Always-Incorrect Control Flow Implementation","CWE-358 Improperly Implemented Security Check for Standard","CWE-20 Improper Input Validation"],"metrics":[],"references":[{"url":"https://github.com/authlib/authlib","name":"https://github.com/authlib/authlib","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://kb.cert.org/vuls/id/762428","name":"https://kb.cert.org/vuls/id/762428","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.kb.cert.org/vuls/id/762428","name":"https://www.kb.cert.org/vuls/id/762428","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-96760","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96760","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Authlib","product":"Authlib","version":"affected 1.7.2","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-09-28T20:07:57.835Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://www.kb.cert.org/vuls/id/762428"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"Authlib","vendor":"Authlib","versions":[{"status":"affected","version":"1.7.2"}]}],"descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en"}]},{"descriptions":[{"description":"CWE-670 Always-Incorrect Control Flow Implementation","lang":"en"}]},{"descriptions":[{"description":"CWE-358 Improperly Implemented Security Check for Standard","lang":"en"}]},{"descriptions":[{"description":"CWE-20 Improper Input Validation","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-09-28T19:37:58.973Z","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc"},"references":[{"url":"https://github.com/authlib/authlib"},{"url":"https://kb.cert.org/vuls/id/762428"}],"source":{"discovery":"UNKNOWN"},"title":"Authlib library contains a signature‑verification bypass vulnerability","x_generator":{"engine":"VINCE 3.0.49","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-96760"}}},"cveMetadata":{"assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","assignerShortName":"certcc","cveId":"CVE-2026-96760","datePublished":"2026-09-28T19:37:58.973Z","dateReserved":"2026-09-23T15:59:27.145Z","dateUpdated":"2026-09-28T20:07:57.835Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-28 20:17:11","lastModifiedDate":"2026-09-28 21:17:19","problem_types":["CWE-347 Improper Verification of Cryptographic Signature","CWE-670 Always-Incorrect Control Flow Implementation","CWE-358 Improperly Implemented Security Check for Standard","CWE-20 Improper Input Validation"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"96760","Ordinal":"1","Title":"Authlib library contains a signature‑verification bypass vulnera","CVE":"CVE-2026-96760","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"96760","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Authlib library contains a signature‑verification bypass vulnera"}]}}}