Missing Authorization in Craft CMS - CVE-2026-56385
Published: March 24, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU124287
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56385
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to missing authorization within the assets/preview-file. A remote user without asset access can retrieve private preview metadata.
Affected software
Craft CMS
How to mitigate CVE-2026-56385
Install updates from vendor's website.
Craft CMS - addressed in versions 4.17.8, 5.9.14