HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-116872 — Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vu...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 7.5. Published: 2026-10-27T11:17:28.970.

Indicators of Compromise (1)

CVE (1)
CVE-2026-116872
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 27, 2026. Verified by: NIST.

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