{"schema":"threatline.record/2","record":{"id":"CVE-2026-100244","aliases":[],"summary":"CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)","details":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.\n\nThis issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.","categories":["Applications & CMS"],"product":"Mediawiki - CentralAuth Extension","vendor":"Wikimedia Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100244","source_modified_at":"2026-09-30T20:44:10.183Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mediawiki - CentralAuth Extension","vendor":"Wikimedia Foundation","versions":[{"status":"affected","version":"*","lessThan":"1.46.1, 1.45.5, 1.43.10","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100244","source_modified_at":"2026-09-30T20:44:10.183Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Mediawiki - CentralAuth Extension","ecosystem":null},"version":"1.46.1, 1.45.5, 1.43.10","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00255,"percentile":0.16114,"score_date":"2026-10-23"},"published_at":"2026-09-29T16:48:28.104Z","modified_at":"2026-09-30T20:44:10.183Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100244","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T20:44:10.183Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100244","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://phabricator.wikimedia.org/T432789"},{"source":"CVE List","url":"https://gerrit.wikimedia.org/r/q/Ifd262c11300dd0355e177d6185bcd704d2720a47"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-09-30T20:43:50.298153Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-30T20:44:10.183Z","content_hash":"5666a6152694233450a7f8308a5bac4c279de757fee55358f469e11fa295a6b7"}}