CVE-2025-48951

Auth0-PHP SDK Deserialization of Untrusted Data vulnerability

Published: Jun 3, 2025Updated: Jun 4, 2025 Sources: CVE List NVD GHSACWE-502

N/ACVSS

NVD MITRE

Description

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.3.1 contain a 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. Applications using the Auth0-PHP SDK are affected, as are applications using the Auth0/symfony, Auth0/laravel-auth0, or Auth0/wordpress SDKs, because those SDKsrely on the Auth0-PHP SDK versions from 8.0.0-BETA3 until 8.14.0. Version 8.3.1 contains a patch for the issue.

No summary for this CVE yet.

Weaknesses

CWE-502

Affected Products

auth0

commercialaka auth0.js, nextjs-auth0, login by auth0

auth0-PHPSaaS

Security Products / identity-access-mgmt

Packagist

package-ecosystem

auth0/auth0-php

OSS Libraries

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Execution

Initial Access

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References

https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492

github.com

https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q

github.com

https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34

github.com

and 4 more references View all →

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