{"id":"CVE-2025-71344","title":"picklescan before 0.0.30 (affected versions 0.0.26 and earlier) fails to detect the ensurepip._run_pip built-in function when scanning pickle files, allowing attackers to execute arbitrary code","summary":"picklescan before 0.0.30 (affected versions 0.0.26 and earlier) fails to detect the ensurepip._run_pip built-in function when scanning pickle files, allowing attackers to execute arbitrary code. Malicious pickle files embedding ensurepip…","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":"2026-06-22","updated":"2026-10-12","sourceUpdated":"2026-10-12T22:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71344","references":[{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-xp4f-hrf8-rxw7","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-ensurepip-run-pip-function","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-xp4f-hrf8-rxw7","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":0.00467,"epssPercentile":0.40264,"aliases":["GHSA-xp4f-hrf8-rxw7","PYSEC-2026-1792"],"ecosystem":"pip","ingestedAt":"2026-07-08T18:25:54.210Z","slug":"CVE-2025-71344","body":"## Overview\n\npicklescan before 0.0.30 (affected versions 0.0.26 and earlier) fails to detect the ensurepip._run_pip built-in function when scanning pickle files, allowing attackers to execute arbitrary code. Malicious pickle files embedding ensurepip._run_pip calls in __reduce__ methods bypass picklescan detection and achieve remote code execution upon pickle.load() invocation.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2025-71344)\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-xp4f-hrf8-rxw7","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":213773,"id":"CVE-2025-71344","ts":1790788483866,"field":"cvss","old":null,"new":"8.1"},{"seq":213772,"id":"CVE-2025-71344","ts":1790788483866,"field":"severity","old":"medium","new":"high"}]}