CVE-2025-47275
Brute Force Authentication Tags of CookieStore Sessions in Auth0-PHP SDK
Impact
**Overview** Session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. **Am I Affected?** You are affected by this vulnerability if you meet the following pre-conditions: 1. Applications using the Auth0-PHP SDK, or the following SDKs that rely on the Auth0-PHP SDK: a. Auth0/symfony, b. Auth0/laravel-auth0, c. Auth0/wordpress, 2. Session storage configured with CookieStore. **Fix** Upgrade Auth0/Auth0-PHP to v8.14.0. As an additional precautionary measure, we recommend rotating your cookie encryption keys. Note that once updated, any previous session cookies will be rejected. **Acknowledgement** Okta would like to thank Félix Charette for discovering this vulnerability.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | auth0/auth0-php | >= 8.0.0-BETA1, < 8.14.0 | 8.14.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/auth0/auth0-PHP/commit/52a79480fdb246f59dbc089b81a784ae049bd389
- https://github.com/auth0/auth0-PHP/releases/tag/8.14.0
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-g98g-r7gf-2r25
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-9fwj-9mjf-rhj3
- https://github.com/auth0/symfony/security/advisories/GHSA-9wg9-93h9-j8ch
- https://github.com/auth0/wordpress/security/advisories/GHSA-2f4r-34m4-3w8q
- https://github.com/advisories/GHSA-g98g-r7gf-2r25
- https://nvd.nist.gov/vuln/detail/CVE-2025-47275