Authorization Bypass Through User-Controlled Key Affecting craftcms/cms package, versions >=4.0.0-RC1, <4.17.8>=5.0.0-RC1, <5.9.14


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-PHP-CRAFTCMSCMS-15763114
  • published25 Mar 2026
  • disclosed24 Mar 2026
  • creditBaozongwi'xd

Introduced: 24 Mar 2026

NewCVE-2026-33158  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade craftcms/cms to version 4.17.8, 5.9.14 or higher.

Overview

craftcms/cms is a content management system.

Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the assets/edit-image endpoint when processing the assetId parameter. An attacker can access unauthorized private asset contents by supplying arbitrary asset identifiers without proper authorization checks.

CVSS Base Scores

version 4.0
version 3.1