{"action":"Upgrade mediawiki to 1:1.43.8+dfsg-1~deb13u1 or later.","affected":[{"fixed":"1:1.43.8+dfsg-1~deb13u1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:1.43.8+dfsg-1~deb13u1"],"id":"tcs_01M5NSQV4G4QKCEXYAGKM403D1","modified_at":"2026-10-26T11:47:35.448398354Z","published_at":"2026-05-11T18:16:42.033Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-5266","https://security-tracker.debian.org/tracker/CVE-2026-5266"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-5266","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-5266"}],"summary":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This i"}