Server-side Request Forgery (SSRF) Affecting craftcms/cms package, versions >=4.0.0-RC1, <4.16.18>=5.0.0-RC1, <5.8.22


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-PHP-CRAFTCMSCMS-15268421
  • published12 Feb 2026
  • disclosed9 Feb 2026
  • creditmHe4am

Introduced: 9 Feb 2026

CVE-2026-25494  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade craftcms/cms to version 4.16.18, 5.8.22 or higher.

Overview

craftcms/cms is a content management system.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the saveAsset mutation in GraphQL when alternative IP notations are used in the URL parameter. An attacker can access internal cloud metadata services by bypassing IP address validation using hexadecimal or mixed notation in the input.

CVSS Base Scores

version 4.0
version 3.1