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.
Metrics
Affected Vendors & Products
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History
Thu, 05 Nov 2026 12:30:00 +0000
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ssvc
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Tue, 27 Oct 2026 10:45:00 +0000
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| 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. | |
| Title | Semantic MediaWiki 3.0.0 before 7.3.1 Uncontrolled Recursion via Special:Ask | |
| First Time appeared |
Semantic-mediawiki
Semantic-mediawiki semantic Mediawiki |
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| Weaknesses | CWE-674 | |
| CPEs | cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:*:*:*:*:*:mediawiki:*:* | |
| Vendors & Products |
Semantic-mediawiki
Semantic-mediawiki semantic Mediawiki |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-27T10:23:26.290Z
Updated: 2026-11-04T16:49:51.284Z
Reserved: 2026-10-27T01:00:42.500Z
Link: CVE-2026-116871
Updated: 2026-11-04T16:49:24.650Z
Status : Modified
Published: 2026-10-27T11:17:28.813
Modified: 2026-11-04T17:17:29.797
Link: CVE-2026-116871
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