{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100244","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","state":"PUBLISHED","assignerShortName":"wikimedia-foundation","dateReserved":"2026-09-25T16:03:14.587Z","datePublished":"2026-09-29T16:48:28.104Z","dateUpdated":"2026-09-30T20:44:10.183Z"},"containers":{"cna":{"providerMetadata":{"orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","shortName":"wikimedia-foundation","dateUpdated":"2026-09-29T16:48:28.104Z"},"title":"CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-116","descriptions":[{"lang":"en","value":"CAPEC-116 Excavation"}]}],"affected":[{"vendor":"Wikimedia Foundation","product":"Mediawiki - CentralAuth Extension","repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/CentralAuth/+/refs/heads/master","versions":[{"status":"affected","version":"*","lessThan":"1.46.1, 1.45.5, 1.43.10","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.<p>This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.</p>"}]}],"references":[{"url":"https://phabricator.wikimedia.org/T432789"},{"url":"https://gerrit.wikimedia.org/r/q/Ifd262c11300dd0355e177d6185bcd704d2720a47"}],"credits":[{"lang":"en","value":"mjbommar","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T20:43:50.298153Z","id":"CVE-2026-100244","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T20:44:10.183Z"}}]}}