Overview The 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.
Am I Affected? You are affected by this vulnerability if you meet the following preconditions:
Fix Upgrade Auth0/laravel-auth0 to the latest version (v7.17.0).
Acknowledgement Okta would like to thank Andreas Forsblom for discovering this vulnerability.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-1395", "CWE-502" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2025-06-06T15:20:46Z" }