{"id":"CVE-2026-126562","published":"2026-11-11T03:16:50.393","lastModified":"2026-11-11T03:16:50.393","description":"Semantic MediaWiki 3.0.0 before 7.4.1 contains an uncontrolled recursion vulnerability in the ElasticStore ConceptDescriptionInterpreter that only detects directly self-referencing concepts. Users with page-edit rights can create mutually referencing concept pages, causing concept page views, Special:Ask, or api.php action=ask queries to exhaust PHP memory or stack.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-674"],"vendors":[],"products":[],"references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Elastic/QueryEngine/DescriptionInterpreters/ConceptDescriptionInterpreter.php#L34-L75","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/35d8f8c9c7b48a476751ca0b795b78b648756828","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-jwx8-mm92-gv95","tags":[]},{"url":"https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.4.1-uncontrolled-recursion-via-elasticstore-conceptdescriptioninterpreter","tags":[]}],"exploitRefs":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Elastic/QueryEngine/DescriptionInterpreters/ConceptDescriptionInterpreter.php#L34-L75","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/35d8f8c9c7b48a476751ca0b795b78b648756828","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1","tags":[]},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-jwx8-mm92-gv95","tags":[]}],"hasPoc":true,"ai":null}