CVE-2026-66088

Critical

Description

In openEQUELLA before 2026.1, the system.execute() function available to the scripting engine runs supplied operating system commands without validation or an allow-list of permitted executables. A user able to create or edit scripts can use it to execute arbitrary commands with the privileges of the openEQUELLA service account.

SeverityCritical

CVSS9.4

Exploit probability—

ProductopenEQUELLA

PublishedOct 29, 2026

First seenNov 4, 2026

Weakness typeCWE-78OS command injection CWE-749CWE-749

How to fix

Update

Apereo Foundation openEQUELLA2026.1 or later

Vendor advisories

github.com/openequella/openEQUELLA/security/advisories/GHSA-q8xp-w3fr-hj4v

Affected products

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

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