{
  "cveId": "CVE-2026-28802",
  "url": "https://patchblox.com/security/cve/CVE-2026-28802",
  "summary": "CVE-2026-28802 is fixed in python-authlib on 1 platform by DEBIAN-CVE-2026-28802 (version 1.6.7-1), released March 6, 2026. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "python-authlib: Authlib is a Python library which builds OAuth and OpenID Connect servers",
  "description": "Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.",
  "published": "2026-03-06T07:16:01Z",
  "severity": "critical",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00538,
  "epssPercentile": 0.4555,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-authlib",
      "release": "Debian 14",
      "fixedVersion": "1.6.7-1",
      "fix": "DEBIAN-CVE-2026-28802",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-28802",
      "released": "2026-03-06T07:16:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}