GHSA-p6m4-5726-45x8HighCVSS 7.5
Semantic MediaWiki 3.0.0 before 7.3.1 contains an uncontrolled recursion vulnerability in...
🔗 CVE IDs covered (1)
📋 Description
Semantic MediaWiki 3.0.0 before 7.3.1 contains an uncontrolled recursion vulnerability in LegacyParser::getSubqueryDescription() that processes nested query tokens before depth limits apply. Unauthenticated attackers can submit deeply nested query elements to the action=ask API to consume substantial CPU and memory, tying up request workers.
🔗 References (6)
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-f8vw-wvm6-h2qq
- https://nvd.nist.gov/vuln/detail/CVE-2026-116871
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/756492002752f937a9e115e14330b1181bd8c60c
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/e642f38c708dee7da5e885b8d40be8ffc56f3e87
- https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-uncontrolled-recursion-via-special-ask
- https://github.com/advisories/GHSA-p6m4-5726-45x8