{"cve":"CVE-2026-3490","nvd":{"published":"2026-06-17T17:16:50.727","modified":"2026-10-26T11:10:00.157","status":"Deferred","description":"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.system, builtins.exec, or subprocess.call to achieve 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:H/SI:H/SA:H","score":10.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-183"],"references":["https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39","https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name","https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39"],"products":[],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-3490","score":0.00623,"percentile":0.49577,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-vvpj-8cmc-gx39","url":"https://osv.dev/vulnerability/GHSA-vvpj-8cmc-gx39","summary":"PickleScan's pkgutil.resolve_name has a universal blocklist bypass","modified":"2026-06-29T12:26:05.754135831Z","packages":[{"ecosystem":"PyPI","name":"picklescan","purl":"pkg:pypi/picklescan","ranges":["<1.0.4"],"fixed":["1.0.4"]}]},{"id":"PYSEC-2026-456","url":"https://osv.dev/vulnerability/PYSEC-2026-456","summary":"PickleScan's pkgutil.resolve_name has a universal blocklist bypass","modified":"2026-07-01T20:23:00.003107Z","packages":[{"ecosystem":"PyPI","name":"picklescan","purl":"pkg:pypi/picklescan","ranges":["<1.0.4"],"fixed":["1.0.4"]}]}],"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."]}