[ CVE-2026-66091 · Published 29 Oct 2026 ]
Vulnerability in Apereo Foundation openEQUELLA
CVSS 6.9
EPSS <1%No fix listed yet
[ Description ]Official description
In openEQUELLA before 2026.1, the GET /api/userquery/userinfobackup endpoint performs no authentication or authorisation check. An unauthenticated attacker who supplies another user's uniqueId can retrieve that user's stored personal details (username, first name, last name and email address) within the same institution.
[ 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.