NVD HIGH: CVE-2026-116871 — Semantic MediaWiki 3.0.0 before 7.3.1 contains an uncontrolled recursion vulnera...

Tuesday, October 27, 2026 at 11:17 AM UTC·Source: NIST NVD

Updated: Thursday, October 29, 2026 at 06:00 PM UTC

Executive Summary

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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-116871

NVD MITRE CVE

Source Attribution

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

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