CVE-2026-66090

CVSS 7.1 (high) · published 2026-10-29

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.

Weakness: CWE-611

Source: NVD CVE-2026-66090

References

• https://github.com/openequella/openEQUELLA/security/advisories/GHSA-668q-3hpr-6c96
• https://openequella.github.io/guides/

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