CVE-2026-66091 (GCVE-0-2026-66091)
Vulnerability from cvelistv5 – Published: 2026-10-29 01:38 – Updated: 2026-10-29 02:02
VLAI
EPSS
VEX
Title
Unauthenticated IDOR Enables Disclosure of Other Users’ last-known details
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 01:50 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openequella/openEQUELLA/securi… | vendor-advisory |
| https://openequella.github.io/guides/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apereo Foundation | openEQUELLA |
Affected:
2019.2 , < 2026.1
(custom)
|
guessed |
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