{"id":"GHSA-f3r2-88mq-9v4g","summary":"Auth0 Symfony SDK has Improper Audience Validation via Auth0-PHP SDK","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\n### Affected product and versions\nProjects are affected if they meet the following preconditions:\n\n- Applications using the Auth0 Symfony SDK with versions between 5.0.0 and 5.5.0\n- Auth0 Symfony SDK uses the Auth0-PHP SDK with versions between 8.0.0 and 8.17.0.\n\n### Resolution\nUpgrade Auth0/symfony to version 5.6.0 or greater.\n\n### Acknowledgement\nOkta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.","modified":"2026-02-04T04:20:53.842098Z","published":"2025-12-17T20:56:37Z","related":["CVE-2025-68129"],"database_specific":{"cwe_ids":["CWE-1395","CWE-345","CWE-863"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-12-17T20:56:37Z","nvd_published_at":null},"references":[{"type":"WEB","url":"https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g"},{"type":"WEB","url":"https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479"},{"type":"PACKAGE","url":"https://github.com/auth0/symfony"},{"type":"WEB","url":"https://github.com/auth0/symfony/releases/tag/5.6.0"}],"affected":[{"package":{"name":"auth0/symfony","ecosystem":"Packagist","purl":"pkg:composer/auth0/symfony"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.6.0"}]}],"versions":["5.0.0","5.1.0","5.2.0","5.2.1","5.2.2","5.2.3","5.3.0","5.3.1","5.4.0","5.4.1","5.5.0"],"database_specific":{"last_known_affected_version_range":"\u003c= 5.5.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-f3r2-88mq-9v4g/GHSA-f3r2-88mq-9v4g.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}