Improperly Controlled Modification of Dynamically-Determined Object Attributes in Craft CMS - CVE-2026-50281
Published: May 29, 2026
Vulnerability identifier: #VU132781
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50281
CWE-ID: CWE-915
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper control of dynamically assigned object attributes in "id" within newAttributes. A remote user can predict or enumerate element IDs to overwrite any other element.
Affected software
Craft CMS
How to mitigate CVE-2026-50281
Install updates from vendor's website.
Craft CMS - update to 5.9.21