GHSA-c42h-56wx-h85q
laravel-auth0 SDK Deserialization of Untrusted Data vulnerability
Quick fix
GHSA-c42h-56wx-h85q — auth0/login: upgrade to the fixed version with the command below.
composer require auth0/login:^7.2.2Details
**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:
1. Applications using laravel-auth0 SDK, versions between 7.0.0-BETA1 to 7.2.1. 2. Laravel-auth0 SDK uses the Auth0-PHP SDK with version 8.0.0-BETA3 to 8.3.0.
**Fix** Upgrade Auth0/laravel-auth0 to the latest version (v7.17.0).
**Acknowledgement** Okta would like to thank Andreas Forsblom for discovering this vulnerability.
Are you affected?
Enter the version of the package you're using.
Affected packages
7.0.0-BETA1Fixed in: 7.2.2composer require auth0/login:^7.2.2References
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492[WEB]
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q[WEB]
- https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34[WEB]
- https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2025-48951[ADVISORY]
- https://github.com/auth0/laravel-auth0[PACKAGE]