[ CVE-2026-66090 · Published 29 Oct 2026 ]

Vulnerability in Apereo Foundation openEQUELLA

CVSS 7.1 EPSS <1%No fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.