{"cve":"CVE-2025-71321","nvd":{"published":"2026-06-17T17:16:40.847","modified":"2026-10-12T22:10:00.247","status":"Deferred","description":"picklescan before 0.0.33 contains an arbitrary file writing vulnerability that allows attackers to bypass the dangerous blocklist by using distutils.file_util.write_file. Attackers can construct malicious pickle objects to overwrite critical system files and achieve denial of service or remote code execution.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4","https://www.vulncheck.com/advisories/picklescan-arbitrary-file-writing-via-distutils-module-bypass","https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:39:28.638635428+00:00"},"epss":{"cve":"CVE-2025-71321","score":0.00824,"percentile":0.57091,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-m273-6v24-x4m4","url":"https://osv.dev/vulnerability/GHSA-m273-6v24-x4m4","summary":"Picklescan vulnerable to Arbitrary File Writing","modified":"2026-07-07T17:57:27.559252288Z","packages":[{"ecosystem":"PyPI","name":"picklescan","purl":"pkg:pypi/picklescan","ranges":["<0.0.33"],"fixed":["0.0.33"]}]},{"id":"PYSEC-2026-1791","url":"https://osv.dev/vulnerability/PYSEC-2026-1791","summary":"Picklescan vulnerable to Arbitrary File Writing","modified":"2026-07-07T17:48:02.358421063Z","packages":[{"ecosystem":"PyPI","name":"picklescan","purl":"pkg:pypi/picklescan","ranges":["<0.0.33"],"fixed":["0.0.33"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}