Cross-Site Request Forgery in Semantic MediaWiki Admin Interface
CVE-2026-116880

7.1HIGH

Key Information:

Vendor

Semanticmediawiki

Status
Semanticmediawiki
Vendor
CVE Published:
27 October 2026

What is CVE-2026-116880?

Semantic MediaWiki contains a cross-site request forgery vulnerability in its admin interface, specifically in the Special:SMWAdmin feature. Attackers can exploit this flaw by enticing an authenticated administrator to visit a malicious page that triggers critical actions such as schema setups or entity disposals, ultimately leading to semantic data loss and potential resource exhaustion on the server.

Affected Version(s)

SemanticMediaWiki 3.0.0 < 7.3.1

SemanticMediaWiki 7.3.1

References

https://github.com/SemanticMediaWiki/SemanticMediaWiki/se...
vendor-advisory
https://www.vulncheck.com/advisories/semantic-mediawiki-3...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

AlpetGexha
.