CVE-2026-66091
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Oct 29, 2026
Vendor
unknown
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.