Not Failing Securely ('Failing Open') in Craft CMS - #VU146745
Published: September 2, 2026
Vulnerability identifier: #VU146745
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-636
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 the database failure exposes environment secrets through the installer. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
Craft CMS
Remediation
Install updates from vendor's website.
Craft CMS - update to 5.10.13