{"id":"CVE-2025-68129","aliases":["EUVD-2025-203985","GHSA-j2vm-wrq3-f7gf"],"status":"published","title":"Auth0-PHP SDK has Improper Audience Validation","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.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00425,"percentile":0.37064,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2025-12-17T20:52:43Z","modified":"2026-10-28T02:31:05Z","fixes":[{"ecosystem":"Packagist","package":"auth0/auth0-php","fixed_in":["8.18.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"auth0/auth0-php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.18.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"auth0/auth0-php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.18.0"}]}],"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"]}],"products":[{"vendor":"auth0","product":"auth0-php"},{"vendor":"auth0","product":"laravel-auth0"},{"vendor":"auth0","product":"symfony"},{"vendor":"auth0","product":"wp-auth0"}],"references":[{"url":"https://github.com/auth0/auth0-PHP/security/advisories/GHSA-j2vm-wrq3-f7gf","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/auth0/laravel-auth0/security/advisories/GHSA-7hh9-gp72-wh7h","tags":["x_refsource_MISC","Vendor Advisory","advisory","web"]},{"url":"https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g","tags":["x_refsource_MISC","Vendor Advisory","advisory","web"]},{"url":"https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7","tags":["x_refsource_MISC","Vendor Advisory","advisory","web"]},{"url":"https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/auth0/laravel-auth0/commit/a1c3344dc0e5a36e8f56c8cfc535728d3d7558f3","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/auth0/auth0-PHP/releases/tag/8.18.0","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/auth0/laravel-auth0/releases/tag/7.20.0","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/auth0/symfony/releases/tag/5.6.0","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/auth0/wordpress/releases/tag/5.5.0","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68129","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j2vm-wrq3-f7gf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68129.json","tags":["advisory"]},{"url":"https://github.com/auth0/auth0-PHP","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-68129","title":"Auth0-PHP SDK has Improper Audience Validation","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.","status":"published","published":"2025-12-17T22:07:35.645Z","modified":"2025-12-18T15:07:22.78Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:32:36.079745Z"}],"euvd":[{"id":"EUVD-2025-203985","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.","status":"published","published":"2025-12-17T22:07:35Z","modified":"2025-12-18T15:07:22Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:03.071772Z"}],"ghsa":[{"id":"GHSA-j2vm-wrq3-f7gf","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.","status":"published","published":"2025-12-17T20:52:43Z","modified":"2025-12-20T05:14:17Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:39:14.093341Z"}],"nvd":[{"id":"CVE-2025-68129","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.","status":"published","published":"2025-12-17T22:16:01.713Z","modified":"2026-09-30T23:10:00.237Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:11:51.309584Z"}],"osv":[{"id":"CVE-2025-68129","title":"Auth0-PHP SDK has Improper Audience Validation","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.","status":"published","published":"2025-12-17T22:07:35.645Z","modified":"2026-10-28T02:31:05.877683207Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:52.53036Z"},{"id":"GHSA-j2vm-wrq3-f7gf","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.","status":"published","published":"2025-12-17T20:52:43Z","modified":"2026-02-04T04:07:36.39659Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}