Missing Authorization in TYPO3 - CVE-2026-85400
Published: September 8, 2026
Vulnerability identifier: #VU147468
CSH Severity: Low
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85400
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to missing authorization check in lowlevel commands. A remote administrator can modify arbitrary system configuration and gain elevated privileges on the system.
Affected software
TYPO3
How to mitigate CVE-2026-85400
Install updates from vendor's website.
TYPO3 - update to 14.3.7