{
  "cveId": "CVE-2026-79657",
  "url": "https://patchblox.com/security/cve/CVE-2026-79657",
  "summary": "CVE-2026-79657 is fixed in nltk on 1 platform by DEBIAN-CVE-2026-79657 (version 3.10.3-1), released August 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "nltk: NLTK versions before 3.10.3 contain a remote code execution vulnerability in allowlisted pickle loaders that trust en...",
  "description": "NLTK versions before 3.10.3 contain a remote code execution vulnerability in allowlisted pickle loaders that trust entire module namespaces instead of specific safe callables. Attackers can craft malicious pickle payloads invoking dangerous in-namespace functions like ReppTokenizer._execute and numpy.f2py.crackfortran.myeval through pickle REDUCE to execute arbitrary commands during model or tokenizer artifact loading.",
  "published": "2026-08-25T12:16:28Z",
  "severity": "",
  "epss": 0.01267,
  "epssPercentile": 0.69928,
  "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-2026-79657",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-79657",
      "released": "2026-08-27T00:27:02Z"
    }
  ],
  "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"
  }
}