{"action":"Upgrade bleach to 6.4.0 or later.","affected":[{"fixed":"6.4.0","introduced":"0"}],"component":"bleach","cve_ids":[],"ecosystem":"PyPI","exploited":false,"fixed_versions":["6.4.0"],"ghsa_id":"GHSA-gj48-438w-jh9v","id":"tcs_01M5KFHRXPGX6C150GBETCWZMM","modified_at":"2026-09-10T03:50:49.646625202Z","published_at":"2026-06-16T14:07:49Z","references":["https://osv.dev/vulnerability/GHSA-gj48-438w-jh9v","https://github.com/mozilla/bleach/security/advisories/GHSA-gj48-438w-jh9v","https://github.com/mozilla/bleach","https://github.com/mozilla/bleach/releases/tag/v6.4.0"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-gj48-438w-jh9v","url":"https://osv.dev/vulnerability/GHSA-gj48-438w-jh9v"}],"summary":"Bleach clean() / Cleaner() fails to sanitize dangerous URI schemes in allowed formaction attributes"}