{
  "cveId": "CVE-2026-86428",
  "url": "https://patchblox.com/security/cve/CVE-2026-86428",
  "summary": "CVE-2026-86428 is fixed in php-league-commonmark on 1 platform by DEBIAN-CVE-2026-86428 (version 2.10.0-1), released September 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "php-league-commonmark: commonmark versions from 1.5.0 before 2.10.0 contain a denial of service vulnerability in the AttributesExtension whe...",
  "description": "commonmark versions from 1.5.0 before 2.10.0 contain a denial of service vulnerability in the AttributesExtension when processing distinctly-named attributes. Attackers can submit Markdown with numerous distinct attribute names to cause quadratic-time attribute merging and filtering, consuming disproportionate CPU resources and preventing legitimate requests from completing.",
  "published": "2026-09-07T13:20:42Z",
  "severity": "",
  "epss": 0.00493,
  "epssPercentile": 0.42633,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "php-league-commonmark",
      "release": "Debian 14",
      "fixedVersion": "2.10.0-1",
      "fix": "DEBIAN-CVE-2026-86428",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-86428",
      "released": "2026-09-08T02:27:47Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}