Vulnerability Description
In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item and cause the server to read arbitrary files accessible to the openEQUELLA service, or make requests to attacker-specified locations (SSRF), including cloud instance metadata services.
Related Weaknesses (CWE)
References
- https://github.com/openequella/openEQUELLA/security/advisories/GHSA-668q-3hpr-6c
- https://openequella.github.io/guides/
FAQ
What is CVE-2026-66090?
CVE-2026-66090 is a documented vulnerability. In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item...
How severe is CVE-2026-66090?
CVSS scoring is not yet available for CVE-2026-66090. Check NVD for updates.
Is there a patch for CVE-2026-66090?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.