{"id":"CVE-2026-126566","summary":"Semantic MediaWiki 7.3.1 before 7.4.1 Incorrect Authorization via Edit Protection Annotations","details":"Semantic MediaWiki 7.3.1 before 7.4.1 contains an incorrect authorization vulnerability in EditProtectionUpdater::userMayChangeProtection() that checks protection changes against the page's latest revision author. Editors can add {{#set:Is edit protected=false}} to a transcluded template, removing administrator edit and move protection logged under the administrator's name.","aliases":["GHSA-gh59-2vh3-6cgm"],"modified":"2026-11-12T02:48:31.147837534Z","published":"2026-11-11T02:36:04.046Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126566.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-863"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126566.json"},{"type":"ADVISORY","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1"},{"type":"ADVISORY","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-gh59-2vh3-6cgm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126566"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/semantic-mediawiki-7.3.1-before-7.4.1-incorrect-authorization-via-edit-protection-annotations"},{"type":"FIX","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/32ca6d8fc75735aa7a2ecc573886391da126da9b"},{"type":"PACKAGE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki"},{"type":"ARTICLE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/DataUpdater.php#L360-L375"},{"type":"ARTICLE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Protection/EditProtectionUpdater.php#L147-L200"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/semanticmediawiki/semanticmediawiki","events":[{"introduced":"60637e855c294f3d223ddeef57af24338def7a8a"},{"fixed":"bcc3cbf4884f0474232a68d3eff060f93a506379"},{"fixed":"32ca6d8fc75735aa7a2ecc573886391da126da9b"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"7.3.1"},{"fixed":"7.4.1"}],"source":"AFFECTED_FIELD"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"32ca6d8fc75735aa7a2ecc573886391da126da9b"}]},{"original_tag":"7.4.1","range":[{"fixed":"bcc3cbf4884f0474232a68d3eff060f93a506379"}],"source":"REFERENCES_TAG"}]}}],"versions":["7.4.0","7.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126566.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"}]}