CVE-2026-41129: Craft CMS CMS

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Craft CMS is a content management system (CMS). Versions on the 4.x branch through 4.17.8 and the 5.x branch through 5.9.14 are vulnerable to Server-Side Request Forgery. The exploitation requires a few permissions to be enabled in the used GraphQL schema: "Edit assets in the <VolumeName> volume" and "Create assets in the <VolumeName> volume." Versions 4.17.9 and 5.9.15 patch the issue.

Affected products

• Craft CMS CMS: from 5.0.0-RC1, before 5.9.15 (fixed in 5.9.15); from 4.0.0-RC1, before 4.17.9 (fixed in 4.17.9)

Published 2026-04-22. Last modified 2026-06-17.