{"action":"Upgrade mediawiki to 1:1.43.9+dfsg-1~deb13u1 or later.","affected":[{"fixed":"1:1.43.9+dfsg-1~deb13u1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:1.43.9+dfsg-1~deb13u1"],"id":"tcs_01M5NT3EGPJXSNMCGCA0V3N7RB","modified_at":"2026-10-26T12:02:37.052384470Z","published_at":"2026-07-01T16:16:49.703Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-58025","https://security-tracker.debian.org/tracker/CVE-2026-58025"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-58025#Debian:13/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-58025"}],"summary":"Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/WikiImporter.Php, includes/Import/WikiRevision.Ph"}