CVE-2026-116890 Semantic MediaWiki - Broken Access Control

Semantic MediaWiki > 3.0.0 < 7.3.0 contains a missing authorization vulnerability in api.php smwtask module, letting unauthenticated attackers run admin-only maintenance tasks, exploit requires use of public anonymous CSRF token.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-862

Vendor fix

Update to version 7.3.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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