{"id":"CVE-2025-71339","aliases":["GHSA-6556-fwc2-fg2p","PYSEC-2026-1783"],"url":"https://o3.security/vulnerability/CVE-2025-71339","summary":"Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget","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.","published":"2026-06-22T21:04:41.267Z","modified":"2026-08-07T11:50:25.288954845Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"picklescan","fixedVersion":"0.0.33"}],"fix":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:25.288954845Z"}}