{"action":"Upgrade picklescan to 1.0.4 or later.","affected":[{"fixed":"1.0.4","introduced":"0"}],"component":"picklescan","cve_ids":["CVE-2026-3490"],"ecosystem":"PyPI","epss":0.00909,"exploited":false,"fixed_versions":["1.0.4"],"ghsa_id":"GHSA-vvpj-8cmc-gx39","id":"tcs_01M5KHBFF9WFVBVKBK2D54MBD5","modified_at":"2026-07-01T20:23:00.003107Z","published_at":"2026-06-29T11:50:44.845189Z","references":["https://osv.dev/vulnerability/PYSEC-2026-456","https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39","https://nvd.nist.gov/vuln/detail/CVE-2026-3490","https://github.com/mmaitre314/picklescan","https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name","https://pypi.org/project/picklescan","https://github.com/advisories/GHSA-vvpj-8cmc-gx39"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"PYSEC-2026-456","url":"https://osv.dev/vulnerability/PYSEC-2026-456"}],"summary":"PickleScan's pkgutil.resolve_name has a universal blocklist bypass"}