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

 

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

Published: February 18, 2026 / Updated: February 18, 2026


Vulnerability identifier: #VU123012
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:P/U:Clear
CVE-ID: CVE-2026-25492
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Pixel & Tonic, Inc.
Affected software:
Craft CMS

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the "handleUpload()" function in src/gql/resolvers/mutations/Assets.php. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


How to mitigate CVE-2026-25492

Install updates from vendor's website.

Sources