Missing Authorization Affecting craftcms/cms package, versions >=4.0.0-RC1, <4.17.14>=5.0.0-RC1, <5.9.21


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Social Trends
EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-PHP-CRAFTCMSCMS-17807954
  • published3 Jul 2026
  • disclosed2 Jul 2026
  • creditUnknown

Introduced: 2 Jul 2026

NewCVE-2026-50282  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade craftcms/cms to version 4.17.14, 5.9.21 or higher.

Overview

craftcms/cms is a content management system.

Affected versions of this package are vulnerable to Missing Authorization in the actionMoveFolder process. An attacker can remove destination folders and their contents without having delete permissions on the destination by initiating a forced move operation with a naming conflict. This can result in asset loss, broken references, and operational disruption.

CVSS Base Scores

version 4.0
version 3.1