CVE-2026-116879
Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | semanticmediawiki |
| Product | semanticmediawiki |
| Published | Oct 27, 2026 |
| Last Updated | Oct 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected Versions
SemanticMediaWiki / SemanticMediaWiki
7.3.0 < 7.3.1
References
github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6wrc-864f-6vqp github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/cba0541d1f931e5c5440a483790dd7c3dec1751d vulncheck.com: https://www.vulncheck.com/advisories/semantic-mediawiki-7.3.0-before-7.3.1-missing-authorization-via-smwtask-update-task
Credits
AlpetGexha