[ CVE-2026-116880 · Published 27 Oct 2026 ]

Vulnerability in SemanticMediaWiki

CVSS 7.1 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7f7v-2qf4-gfq3ExploitVendor AdvisoryMitigation
www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-csrf-via-special-smw…Third Party Advisory