{"id":"CVE-2026-3490","title":"picklescan - Universal Blocklist Bypass via pkgutil.resolve_name","summary":"picklescan before 1.0.4 fails to block pkgutil.resolve_name, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os…","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-183"],"vendor":"picklescan","product":"picklescan","affected":["picklescan < 1.0.4"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-06-18T15:20:40.069385Z"},"exploitAvailable":true,"published":"2026-06-17","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:02:10.852Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-3490","references":[{"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39","label":"GitHub Security Advisory (GHSA-vvpj-8cmc-gx39)"},{"url":"https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name","label":"VulnCheck Advisory: picklescan - Universal Blocklist Bypass via pkgutil.resolve_name"}],"tags":["cve.org","exploit-available"],"epss":0.00823,"epssPercentile":0.5758,"ingestedAt":"2026-11-08T14:51:22.453Z","slug":"CVE-2026-3490","body":"## Overview\n\npicklescan before 1.0.4 fails to block pkgutil.resolve_name, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os.system, builtins.exec, or subprocess.call to achieve remote code execution.\n\n## Affected\n\n- `picklescan < 1.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":67,"depthScoreParts":{"impact":55,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[]}