{"id":"GHSA-j2vm-wrq3-f7gf","aliases":["CVE-2025-68129"],"title":"Auth0-PHP SDK has Improper Audience Validation","description":"### Description\nIn 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.\n### Affected product and versions\nProjects are affected if they meet the following preconditions:\n\n- Applications using the Auth0-PHP SDK, versions between v8.0.0 and v8.17.0, or\n- Applications using the following SDKs that rely on the Auth0-PHP SDK versions between v8.0.0 and v8.17.0:\n    - a. Auth0/symfony,\n    - b. Auth0/laravel-auth0,\n    - c. Auth0/wordpress.\n\n### Resolution\nUpgrade Auth0/Auth0-PHP to version 8.18.0 or greater.\n\n### Acknowledgement\nOkta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.","severity":"medium","score":6.8,"published":"2025-12-17T20:52:43.000Z","modified":"2026-02-04T04:07:36.396Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"auth0/auth0-php","ranges":[{"events":[{"introduced":"8.0.0"},{"fixed":"8.18.0"}],"type":"ECOSYSTEM"}],"versions":["8.0.0","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.10.0","8.11.0","8.11.1","8.12.0","8.13.0","8.14.0","8.15.0","8.16.0","8.17.0","8.2.0","8.2.1","8.3.0","8.3.1","8.3.2","8.3.3","8.3.4","8.3.5","8.3.6","8.3.7","8.3.8","8.4.0","8.5.0","8.6.0","8.7.0","8.7.1","8.8.0","8.9.0","8.9.1","8.9.3"],"fixed":["8.18.0"]}],"references":["https://github.com/auth0/auth0-PHP/security/advisories/GHSA-j2vm-wrq3-f7gf","https://github.com/auth0/laravel-auth0/security/advisories/GHSA-7hh9-gp72-wh7h","https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g","https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7","https://nvd.nist.gov/vuln/detail/CVE-2025-68129","https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f","https://github.com/auth0/laravel-auth0/commit/a1c3344dc0e5a36e8f56c8cfc535728d3d7558f3","https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479","https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de","https://github.com/auth0/auth0-PHP","https://github.com/auth0/auth0-PHP/releases/tag/8.18.0","https://github.com/auth0/laravel-auth0/releases/tag/7.20.0","https://github.com/auth0/symfony/releases/tag/5.6.0","https://github.com/auth0/wordpress/releases/tag/5.5.0"],"sources":[{"name":"OSV","id":"GHSA-j2vm-wrq3-f7gf","modified":"2026-02-04T04:07:36.396590Z","url":"https://osv.dev/vulnerability/GHSA-j2vm-wrq3-f7gf"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","score":6.8}]}