CVE-2026-19699: Unknown Gutenkit

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The GutenKit WordPress plugin before 2.5.0 does not have a sufficient capability check on some of its REST API endpoints, allowing users with the Contributor role and above to retrieve mailing-list audience metadata from the site's connected marketing account.

Affected products

• Unknown Gutenkit: from 2.4.12, before 2.5.0 (fixed in 2.5.0)

Published 2026-08-20. Last modified 2026-08-26.