Improper Authorization in Craft CMS - CVE-2026-50279
Published: May 29, 2026
Vulnerability identifier: #VU132778
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50279
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper authorization in "entries/save-entry". A remote user can reassign an entry’s authorship to another user without holding the dedicated peer-author-change permission.
Affected software
Craft CMS
How to mitigate CVE-2026-50279
Install updates from vendor's website.
Craft CMS - update to 5.9.21