A vulnerability classified as problematic has been found in MISP up to 2.5.38. This issue affects the function UsersController::routeafterlogin. The manipulation of the argument pre_login_requested_url leads to open redirect.

This vulnerability is traded as CVE-2026-10861. It is possible to initiate the attack remotely. There is no exploit available.

To fix this issue, it is recommended to deploy a patch.