{"id":"CVE-2025-71323","title":"picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory","summary":"picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory. Attackers can craft malicious pickle files using ctypes.WinDLL to load k…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-184"],"vendor":"picklescan","product":"picklescan","affected":["picklescan < 0.0.33"],"patched":["picklescan 0.0.33"],"published":"2026-06-17","updated":"2026-10-12","sourceUpdated":"2026-10-12T22:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71323","references":[{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-4675-36f9-wf6r","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-unblocked-ctypes-module","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-4675-36f9-wf6r","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71323"},{"url":"https://github.com/mmaitre314/picklescan/pull/53"},{"url":"https://github.com/mmaitre314/picklescan/commit/70c1c6c31beb6baaf52c8db1b6c3c0e84a6f9dab"},{"url":"https://github.com/mmaitre314/picklescan"},{"url":"https://github.com/mmaitre314/picklescan/releases/tag/v0.0.33"}],"tags":["nvd","osv","pip"],"epss":0.00991,"epssPercentile":0.62362,"aliases":["GHSA-4675-36f9-wf6r","PYSEC-2026-1782"],"ecosystem":"pip","ingestedAt":"2026-07-08T18:25:45.262Z","slug":"CVE-2025-71323","body":"## Overview\n\npicklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory. Attackers can craft malicious pickle files using ctypes.WinDLL to load kernel32.dll and execute arbitrary commands, bypassing sandbox protections and gadget chain detection.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2025-71323)\n\nAffected packages:\n\n- `picklescan < 0.0.33`\n\nPatched in:\n\n- `picklescan 0.0.33`\n\nSource: https://osv.dev/vulnerability/GHSA-4675-36f9-wf6r","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}