{"id":"CVE-2025-71344","state":"PUBLISHED","title":"picklescan - Arbitrary Code Execution via Undetected ensurepip._run_pip Function","description":"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._run_pip calls in __reduce__ methods bypass picklescan detection and achieve remote code execution upon pickle.load() invocation.","publishedAt":"2026-06-22T21:04:41.975Z","updatedAt":"2026-06-23T18:24:06.958Z","severity":{"score":7.6,"label":"High","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["picklescan picklescan"],"affected":[{"vendor":"picklescan","product":"picklescan","packageURL":"pkg:pypi/picklescan","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.0.30","versionType":"semver"},{"version":"0.0.30","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/mmaitre314/picklescan/security/advisories/GHSA-xp4f-hrf8-rxw7","https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-ensurepip-run-pip-function"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71344.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71344","state":"PUBLISHED","datePublished":"2026-06-22T21:04:41.975Z","dateUpdated":"2026-06-23T18:24:06.958Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-20T12:48:06.735Z"},"containers":{"cna":{"title":"picklescan - Arbitrary Code Execution via Undetected ensurepip._run_pip Function","descriptions":[{"lang":"en","value":"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. 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