Access Control Bypass Affecting craftcms/cms package, versions >=5.0.0-RC1, <5.9.21


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.27% (20th percentile)

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  • Snyk IDSNYK-PHP-CRAFTCMSCMS-17798831
  • published2 Jul 2026
  • disclosed2 Jul 2026
  • creditUnknown

Introduced: 2 Jul 2026

NewCVE-2026-50280  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade craftcms/cms to version 5.9.21 or higher.

Overview

craftcms/cms is a content management system.

Affected versions of this package are vulnerable to Access Control Bypass via the entries/move-to-section process. An attacker can relocate entries into unauthorized sections by exploiting insufficient permission checks, allowing them to bypass intended editorial boundaries and interfere with content workflows. This is only exploitable if the attacker is an authenticated control panel user with permission to move entries from the source section and view access to the destination section, but without write access to the destination section.

CVSS Base Scores

version 4.0
version 3.1