Vulnerability Description
In openEQUELLA before 2026.2, the pre-login notice is stored as HTML and rendered on the legacy logon page without encoding or sanitisation. A user holding the EDIT_SYSTEM_SETTINGS permission can set a notice containing an arbitrary script (PUT /api/preloginnotice), resulting in stored cross-site scripting on the login page. Unauthenticated exploitation is possible where EDIT_SYSTEM_SETTINGS has been granted to the guest user or Everyone
Related Weaknesses (CWE)
References
- https://github.com/openequella/openEQUELLA/security/advisories/GHSA-9jhj-7h37-3j
- https://openequella.github.io/guides/
FAQ
What is CVE-2026-66092?
CVE-2026-66092 is a documented vulnerability. In openEQUELLA before 2026.2, the pre-login notice is stored as HTML and rendered on the legacy logon page without encoding or sanitisation. A user holding the EDIT_SYSTEM_SETTINGS permission can set ...
How severe is CVE-2026-66092?
CVSS scoring is not yet available for CVE-2026-66092. Check NVD for updates.
Is there a patch for CVE-2026-66092?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.