CVE-2026-66089

Medium

Description

In openEQUELLA before 2026.1, the SOAP API parses XML supplied in the stopEdit operation with a parser that resolves external entities. This allows an attacker to read arbitrary files accessible to the openEQUELLA service or cause the server to issue requests to attacker-specified locations (SSRF).

SeverityMedium

CVSS6.1

Exploit probability—

ProductopenEQUELLA

PublishedOct 29, 2026

First seenNov 4, 2026

Weakness typeCWE-611XML external entity (XXE)

How to fix

Update

Apereo Foundation openEQUELLA2026.1 or later

Vendor advisories

github.com/openequella/openEQUELLA/security/advisories/GHSA-f9wv-5rpf-rq45

Affected products

Product	Affected versions	Fixed in
Apereo Foundation openEQUELLA	v < 2026.1	2026.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.