CVE-2026-66091
In openEQUELLA before 2026.1, the GET /api/userquery/userinfobackup endpoint performs no…
- Risk score
- 41/100
- CVSS
- 6.9 v4.0
- Published
- 29 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 instituti…
- Affected
- See advisory
- Fix
- Upgrade the product to 2026.1 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.9 medium
References
Original 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.
Last activity 29 Oct 2026. Patch Forecast updates every hour.