CVE-2025-57758 Contao has improper access control in the back end voters

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying...

CVE-2025-57758

Contao CMS vulnerability CVE-2025-57758 affects Contao Core (versions from 5.0.0 up to, but not including, 5.3.38 and 5.6.1). The back-end table access voter fails to verify whether a user is allowed to access the target module, enabling improper access control. Patches are implemented in Contao ...

Contao applies improper access control in the back end voters

Impact The table access voter in the back end doesn't check if a user is allowed to access the corresponding module. Patches Update to Contao 5.3.38 or 5.6.1. Workarounds Do not rely solely on the voter and additionally check USERCANACCESSMODULE. For more information If you have any questions or...