Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in TermParser::normalize_compact_form() that allows unauthenticated attackers to cause quadratic CPU consumption. Attackers can submit long search terms with many distinct in:(...) or has:(...) expressions to Special:Search to exhaust PHP search workers when the extended search engine is enabled.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 27 Oct 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in TermParser::normalize_compact_form() that allows unauthenticated attackers to cause quadratic CPU consumption. Attackers can submit long search terms with many distinct in:(...) or has:(...) expressions to Special:Search to exhaust PHP search workers when the extended search engine is enabled. | |
| Title | Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters | |
| First Time appeared |
Semantic-mediawiki
Semantic-mediawiki semantic Mediawiki |
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| Weaknesses | CWE-407 | |
| 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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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-27T10:26:38.802Z
Reserved: 2026-10-27T01:00:42.500Z
Link: CVE-2026-116872
No data.
Status : Received
Published: 2026-10-27T11:17:28.970
Modified: 2026-10-27T11:17:28.970
Link: CVE-2026-116872
No data.
OpenCVE Enrichment
Updated: 2026-10-27T11:45:13Z
Weaknesses