Unsafe reflection in Craft CMS - CVE-2026-33157
Published: March 24, 2026
Vulnerability identifier: #VU124282
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33157
CWE-ID: CWE-470
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to behavior injection issue. A remote user can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Craft CMS
How to mitigate CVE-2026-33157
Install updates from vendor's website.
Craft CMS - update to 5.9.13