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OpenAdvisories
Medium · 6.8 CVE-2025-68129 EUVD-2025-203985GHSA-j2vm-wrq3-f7gf

Auth0-PHP SDK has Improper Audience Validation

Published Dec 17, 2025 · Updated Dec 18, 2025 · Assigned by GitHub_M

Description

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. 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. Projects are affected if they use 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: Auth0/symfony versions between 5.0.0 and 5.5.0, Auth0/laravel-auth0 versions between 7.0.0 and 7.19.0, and/or Auth0/wordpress plugin versions between 5.0.0-BETA0 and 5.4.0. Auth0/Auth0-PHP version 8.18.0 contains a patch for the issue.

Affected products

VendorProductAffectedFixed
auth0 auth0-PHP >= 8.0.0, < 8.18.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist auth0/auth0-php >= 8.0.0, < 8.18.0 8.18.0 GHSA-j2vm-wrq3-f7gf

References