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CVE-2026-116871

HIGH NVD
CVSS Score
7.5
Severity
HIGH
Source
NVD
Published
Oct 27, 2026
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.

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