{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"mistune","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT6DFT1QQSTPMGP04WTWDZ","modified_at":"2026-10-01T03:03:28.615525717Z","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:14/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"}