{
  "cveId": "CVE-2026-71513",
  "url": "https://patchblox.com/security/cve/CVE-2026-71513",
  "summary": "CVE-2026-71513 is fixed in nltk on 1 platform by DEBIAN-CVE-2026-71513 (version 3.10.3-1), released August 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "nltk: NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickl...",
  "description": "NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to callables outside the allowlisted namespace. Attackers can craft untrusted transition-parser models that execute arbitrary commands when TransitionParser.parse loads the model through allowlisted_pickle_load.",
  "published": "2026-08-22T14:16:33Z",
  "severity": "",
  "epss": 0.01097,
  "epssPercentile": 0.6584,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "nltk",
      "release": "Debian 14",
      "fixedVersion": "3.10.3-1",
      "fix": "DEBIAN-CVE-2026-71513",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-71513",
      "released": "2026-08-28T00:36:15Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}