{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"mistune","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT6DC2B126H5PPCJ5DJ71P","modified_at":"2026-10-26T12:02:35.883601699Z","published_at":"2026-07-08T17:17:27.910Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-59923","https://security-tracker.debian.org/tracker/CVE-2026-59923"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-59923#Debian:13/mistune","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-59923"}],"summary":"Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safe_url() does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or ima"}