{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.7.2"
              },
              {
                "last_affected": "1.7.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "a0b76fac3fa114d7759af2010546bfc332364b63"
            },
            {
              "last_affected": "a0b76fac3fa114d7759af2010546bfc332364b63"
            }
          ],
          "repo": "https://github.com/authlib/authlib",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.7.2"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "certcc",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96760.json"
  },
  "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.",
  "id": "CVE-2026-96760",
  "modified": "2026-09-30T03:30:59.976855069Z",
  "published": "2026-09-28T19:37:58.973Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://kb.cert.org/vuls/id/762428"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/762428"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96760.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-96760"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/authlib/authlib"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "Authlib library contains a signature‑verification bypass vulnerability"
}