medium6.9
CVE-2026-66091
In openEQUELLA before 2026.1, the GET /api/userquery/userinfobackup endpoint performs no authentication or authorisation check.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| OpenEQUELLA | before 2026.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.