{"id":"CVE-2025-71321","summary":"picklescan - Arbitrary File Writing via distutils Module Bypass","details":"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.","aliases":["GHSA-m273-6v24-x4m4","PYSEC-2026-1791"],"modified":"2026-08-12T03:51:24.304384687Z","published":"2026-06-17T15:04:58.706Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71321.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-502"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71321.json"},{"type":"ADVISORY","url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71321"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/picklescan-arbitrary-file-writing-via-distutils-module-bypass"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mmaitre314/picklescan","events":[{"introduced":"0"},{"fixed":"70c1c6c31beb6baaf52c8db1b6c3c0e84a6f9dab"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.0.33"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v0.0.32","v0.0.31","v0.0.30","v0.0.29","v0.0.28","v0.0.27","v0.0.26","v0.0.25","v0.0.24","v0.0.23","v0.0.22","v0.0.21","v0.0.20","v0.0.19","v0.0.18","v0.0.17","v0.0.15","v0.0.14","v0.0.13","v0.0.12","v0.0.11","v0.0.10","v0.0.9","v0.0.8","v0.0.7","v0.0.6","v0.0.5","v0.0.4","v0.0.3","v0.0.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71321.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}