Craft CMS Server-Side Request Forgery (SSRF) Vulnerability - CVE-2026-25492

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21 the save_images_Asset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address bypassing hostname validation. When a non-image file extension such as .txt is allowed downstream image validation is bypassed which can allow an authenticated attacker with permission to use save_images_Asset to retrieve sensitive data such as AWS instance metadata credentials from the underlying host. This issue is patched in versions 4.16.18 and 5.8.22.