CVE-2026-66091
MEDIUM
MEDIUM
Priority: 0.00
BB Relevance:
74/100
Published: 2026-10-29
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
AT:
None
VC:
Low
VI:
None
VA:
None
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.
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| Apereo Foundation | openEQUELLA | 2019.2 < 2026.1 |
| Apereo Foundation | openEQUELLA | 2019.2 < 2026.1 |
| Apereo Foundation | openEQUELLA | 2019.2 < 2026.1 |
| Apereo Foundation | openEQUELLA | 2019.2 < 2026.1 |