{"id":"GHSA-c42h-56wx-h85q","summary":"laravel-auth0 SDK Deserialization of Untrusted Data vulnerability","details":"**Overview**\nThe laravel-auth0 SDK contains a critical vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially crafted cookie containing malicious serialized data.\n\n\n**Am I Affected?**\nYou are affected by this vulnerability if you meet the following preconditions:\n\n1. Applications using laravel-auth0 SDK, versions between 7.0.0-BETA1 to 7.2.1.\n2. Laravel-auth0 SDK uses the Auth0-PHP SDK with version 8.0.0-BETA3 to 8.3.0.\n\n**Fix**\nUpgrade Auth0/laravel-auth0 to the latest version (v7.17.0).\n\n**Acknowledgement**\nOkta would like to thank Andreas Forsblom for discovering this vulnerability.","modified":"2026-02-04T03:54:16.638933Z","published":"2025-06-06T15:20:46Z","related":["CVE-2025-48951"],"database_specific":{"github_reviewed":true,"github_reviewed_at":"2025-06-06T15:20:46Z","nvd_published_at":null,"cwe_ids":["CWE-1395","CWE-502"],"severity":"CRITICAL"},"references":[{"type":"WEB","url":"https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492"},{"type":"WEB","url":"https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q"},{"type":"WEB","url":"https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34"},{"type":"WEB","url":"https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48951"},{"type":"PACKAGE","url":"https://github.com/auth0/laravel-auth0"}],"affected":[{"package":{"name":"auth0/login","ecosystem":"Packagist","purl":"pkg:composer/auth0/login"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0-BETA1"},{"fixed":"7.2.2"}]}],"versions":["7.0.0","7.0.0-BETA1","7.0.0-BETA2","7.0.1","7.1.0","7.2.0","7.2.1"],"database_specific":{"last_known_affected_version_range":"\u003c= 7.2.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-c42h-56wx-h85q/GHSA-c42h-56wx-h85q.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H"}]}