What is GHSA-555x-f7vj-p9qw?

GHSA-555x-f7vj-p9qw is a security advisory published by GitHub Security Advisories with High severity. In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external...

Which CVE IDs does GHSA-555x-f7vj-p9qw cover?

GHSA-555x-f7vj-p9qw covers the following CVE IDs: CVE-2026-66090. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-555x-f7vj-p9qwHigh

In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external...

Vendor

GitHub Security Advisories

Published

October 29, 2026

Last Modified

October 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-66090 →

📋 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.

🔗 References (4)

https://github.com/openequella/openEQUELLA/security/advisories/GHSA-668q-3hpr-6c96
https://nvd.nist.gov/vuln/detail/CVE-2026-66090
https://openequella.github.io/guides
https://github.com/advisories/GHSA-555x-f7vj-p9qw