CVE-2026-116880 Semantic MediaWiki 3.0.0 before 7.3.1 CSRF via Special:SMWAdmin Maintenance Actions

High 7.1 Published 27 Oct 2026 Updated 27 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-116880?

CVE-2026-116880 is a high-severity vulnerability in SemanticMediaWiki, published on 27 Oct 2026.

Official description

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site request forgery vulnerability in Special:SMWAdmin because it overwrites the wpEditToken with a freshly generated valid token. Attackers can lure an authenticated smw-admin user to a malicious page that triggers schema setup, entity-disposal, or job actions, causing semantic data loss and resource exhaustion.

Weakness: CWE-352

Which versions are affected by CVE-2026-116880?

How do I fix CVE-2026-116880?

No fix has been published for CVE-2026-116880 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116880 being exploited?

There is no known exploitation of CVE-2026-116880 in the wild and no public exploit code.

Sources

Also known as GHSA-43rh-jg3g-4j37, GHSA-7f7v-2qf4-gfq3.