CVE-2026-116879

Medium

Description

Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subject parameter for a restricted page to trigger forced reparsing, semantic-store writes, and resource-intensive dependency work.

SeverityMedium

CVSS5.4

Exploit probability—

ProductSemantic-mediawiki Semantic Mediawiki

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

semantic-mediawiki semantic_mediawiki7.3.1 or later

Patches

github.com/SemanticMediaWiki/SemanticMediaWiki/commit/cba0541d1f931e5c5440a483790dd7c3dec1751d

Vendor advisories

github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6wrc-864f-6vqp

Affected products

Product	Affected versions	Fixed in
semantic-mediawiki semantic_mediawiki	7.3.0 ≤ v < 7.3.1	7.3.1

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