{"id":"CVE-2025-71340","title":"picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods","summary":"picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when the…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-502"],"vendor":"picklescan","product":"picklescan","affected":["picklescan < 0.0.30"],"patched":["picklescan 0.0.30"],"published":"2026-06-25","updated":"2026-10-12","sourceUpdated":"2026-10-12T21:10:00.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71340","references":[{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-3gf5-cxq9-w223","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-idlelib-pyshell-modifiedinterpreter-runcode","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-3gf5-cxq9-w223","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/mmaitre314/picklescan/commit/1931c2d04eaca8d20597705ff39cab78ba364e4b"},{"url":"https://github.com/mmaitre314/picklescan"}],"tags":["nvd","osv","pip"],"epss":0.0038,"epssPercentile":0.31804,"aliases":["GHSA-3gf5-cxq9-w223"],"ecosystem":"pip","ingestedAt":"2026-07-08T18:25:44.904Z","slug":"CVE-2025-71340","body":"## Overview\n\npicklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when the file is loaded via pickle.load(), enabling supply chain attacks on PyTorch models and saved Python objects. This is fixed in version 0.0.30.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2025-71340)\n\nAffected packages:\n\n- `picklescan < 0.0.30`\n\nPatched in:\n\n- `picklescan 0.0.30`\n\nSource: https://osv.dev/vulnerability/GHSA-3gf5-cxq9-w223","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":213781,"id":"CVE-2025-71340","ts":1790788489107,"field":"cvss","old":null,"new":"8.1"},{"seq":213780,"id":"CVE-2025-71340","ts":1790788489107,"field":"severity","old":"medium","new":"high"}]}