{"id":"CVE-2025-68129","aliases":["GHSA-j2vm-wrq3-f7gf"],"url":"https://o3.security/vulnerability/CVE-2025-68129","summary":"Auth0-PHP SDK has Improper Audience Validation","details":"### 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.","published":"2025-12-17T22:07:35.645Z","modified":"2026-08-27T03:57:11.692847810Z","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"auth0/auth0-php","fixedVersion":"8.18.0"}],"fix":{"url":"https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f","label":"auth0/auth0-PHP@7fe7000"},"references":[{"type":"WEB","url":"https://github.com/auth0/auth0-PHP/releases/tag/8.18.0"},{"type":"WEB","url":"https://github.com/auth0/laravel-auth0/releases/tag/7.20.0"},{"type":"WEB","url":"https://github.com/auth0/symfony/releases/tag/5.6.0"},{"type":"WEB","url":"https://github.com/auth0/wordpress/releases/tag/5.5.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68129.json"},{"type":"ADVISORY","url":"https://github.com/auth0/auth0-PHP/security/advisories/GHSA-j2vm-wrq3-f7gf"},{"type":"ADVISORY","url":"https://github.com/auth0/laravel-auth0/security/advisories/GHSA-7hh9-gp72-wh7h"},{"type":"ADVISORY","url":"https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g"},{"type":"ADVISORY","url":"https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68129"},{"type":"FIX","url":"https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f"},{"type":"FIX","url":"https://github.com/auth0/laravel-auth0/commit/a1c3344dc0e5a36e8f56c8cfc535728d3d7558f3"},{"type":"FIX","url":"https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479"},{"type":"FIX","url":"https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de"},{"type":"PACKAGE","url":"https://github.com/auth0/auth0-PHP"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:57:11.692847810Z"}}