Server-Side Request Forgery (SSRF) in Craft CMS - CVE-2026-41129
Published: June 16, 2026
Vulnerability identifier: #VU134668
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-41129
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pixel & Tonic, Inc.
Affected software:
Craft CMS
Craft CMS
Detailed vulnerability description
The vulnerability allows a remote user to access internal services via server-side request forgery.
The vulnerability exists due to server-side request forgery in the GraphQL asset upload mutations when processing user-supplied asset URLs. A remote user can supply a crafted gopher URL to access internal services via server-side request forgery.
Exploitation requires GraphQL schema permissions to edit assets in the volume and create assets in the volume.
How to mitigate CVE-2026-41129
Install security update from vendor's website.