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.
{
"github_reviewed_at": "2025-06-06T15:20:46Z",
"severity": "CRITICAL",
"cwe_ids": [
"CWE-1395",
"CWE-502"
],
"github_reviewed": true,
"nvd_published_at": null
}