Brute Force Vulnerability in Auth0 PHP SDK Session Cookies
CVE-2025-47275
9.1CRITICAL
What is CVE-2025-47275?
The Auth0-PHP SDK has a vulnerability in session cookies configured with CookieStore, where the authentication tags can be brute-forced. This may allow unauthorized access to applications using versions from 8.0.0-BETA1 up to 8.13.0. Affected products include Auth0/symfony, Auth0/laravel-auth0, and Auth0/wordpress SDKs relying on the Auth0-PHP SDK. It is recommended to upgrade to version 8.14.0, which includes a security patch. Additionally, it is advisable to rotate your cookie encryption keys to further enhance security, noting that previous session cookies will no longer be valid after the upgrade.
Affected Version(s)
auth0-PHP >= 8.0.0-BETA1, < 8.14.0