The AuthKit library for Next.js provides convenient helpers for authentication and session management using WorkOS & AuthKit with Next.js. In affected versions refresh tokens are logged to the console when the disabled by default debug flag, is enabled. This issue has been patched in version 0.13.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers. Different log files may be produced and stored for: