rConfig 8.0.0 before 8.2.13 contains an authentication bypass vulnerability that allows unauthenticated attackers to self-register accounts with full Administrator privileges due to a duplicate bare Auth::routes() call in routes/web.php that re-enables the POST /register route after it was explicitly disabled. Attackers can register a new account that is immediately authenticated with Admin-level access because the registration controller does not assign a role and the users.role column defaults to Admin, enabling access to stored device credentials, user data, and API token issuance.

rConfig versions 8.0.0 through 8.2.12 contain a critical authentication bypass vulnerability tracked as CVE-2026-77915. The flaw stems from a duplicate bare Auth::routes() call in routes/web.php that inadvertently re-enables the POST /register route after it was explicitly disabled. Unauthenticated attackers can exploit this to self-register accounts that are immediately granted full Administrator privileges. This occurs because the registration controller does not assign a role, and the users.role database column defaults to Admin. Successful exploitation grants attackers access to stored device credentials, user data, and the ability to issue API tokens. The vulnerability is patched in rConfig version 8.2.13. rConfig is a network device configuration management tool, making this vulnerability particularly severe in network infrastructure environments.