CVE-2025-68129
Auth0-PHP SDK has Improper Audience Validation
Impact
### Description In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. ### Affected product and versions Projects are affected if they meet the following preconditions: - Applications using the Auth0-PHP SDK, versions between v8.0.0 and v8.17.0, or - Applications using the following SDKs that rely on the Auth0-PHP SDK versions between v8.0.0 and v8.17.0: - a. Auth0/symfony, - b. Auth0/laravel-auth0, - c. Auth0/wordpress. ### Resolution Upgrade Auth0/Auth0-PHP to version 8.18.0 or greater. ### Acknowledgement Okta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | auth0/auth0-php | >= 8.0.0, < 8.18.0 | 8.18.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Auth0 | Auth0-Php | from 8.0.0 before 8.18.0 |
| Auth0 | Laravel-Auth0 | from 7.0.0 before 7.20.0 |
| Auth0 | Symfony | from 5.0.0 before 5.6.0 |
| Auth0 | Wp-Auth0 | from 5.0.0 before 5.5.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f
- https://github.com/auth0/auth0-PHP/releases/tag/8.18.0
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-j2vm-wrq3-f7gf
- https://github.com/auth0/laravel-auth0/commit/a1c3344dc0e5a36e8f56c8cfc535728d3d7558f3
- https://github.com/auth0/laravel-auth0/releases/tag/7.20.0
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-7hh9-gp72-wh7h
- https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479
- https://github.com/auth0/symfony/releases/tag/5.6.0
- https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g
- https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de
- https://github.com/auth0/wordpress/releases/tag/5.5.0
- https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7
- https://github.com/advisories/GHSA-j2vm-wrq3-f7gf
- https://nvd.nist.gov/vuln/detail/CVE-2025-68129