{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.0.33"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "70c1c6c31beb6baaf52c8db1b6c3c0e84a6f9dab"
            }
          ],
          "repo": "https://github.com/mmaitre314/picklescan",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-6556-fwc2-fg2p"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71339.json"
  },
  "details": "Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation.",
  "id": "CVE-2025-71339",
  "modified": "2026-07-08T05:36:50.469861937Z",
  "published": "2026-06-22T21:04:41.267Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71339.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6556-fwc2-fg2p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71339"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-eval-length-gadget"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget"
}