---
id: CVE-2025-68129
title: Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs
summary: >-
  Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. In
  applications built with the Auth0-PHP SDK, the audience validation in access
  tokens is performed improperly. Without proper validation, affected
  applications may acc…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-863
vendor: auth0
product: auth0-php
affected:
  - 'auth0-php >= 8.0.0, < 8.18.0'
  - 'laravel-auth0 >= 7.0.0, < 7.20.0'
  - 'symfony >= 5.0.0, < 5.6.0'
  - 'wp-auth0 >= 5.0.0, < 5.5.0'
patched:
  - auth0-php 8.18.0
  - laravel-auth0 7.20.0
  - symfony 5.6.0
  - wp-auth0 5.5.0
published: '2025-12-17'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-68129'
references:
  - url: >-
      https://github.com/auth0/auth0-PHP/commit/7fe700053aee609718460c123f00f53c511f0f7f
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/auth0-PHP/releases/tag/8.18.0'
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/auth0-PHP/security/advisories/GHSA-j2vm-wrq3-f7gf'
    label: security-advisories@github.com
  - url: >-
      https://github.com/auth0/laravel-auth0/commit/a1c3344dc0e5a36e8f56c8cfc535728d3d7558f3
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/laravel-auth0/releases/tag/7.20.0'
    label: security-advisories@github.com
  - url: >-
      https://github.com/auth0/laravel-auth0/security/advisories/GHSA-7hh9-gp72-wh7h
    label: security-advisories@github.com
  - url: >-
      https://github.com/auth0/symfony/commit/0103d6f8dcef6996653fad1f823d1c167f472479
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/symfony/releases/tag/5.6.0'
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/symfony/security/advisories/GHSA-f3r2-88mq-9v4g'
    label: security-advisories@github.com
  - url: >-
      https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/wordpress/releases/tag/5.5.0'
    label: security-advisories@github.com
  - url: 'https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7'
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00425
epssPercentile: 0.34423
ingestedAt: '2026-09-30T23:29:32.499Z'
---

## Overview

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. Projects are affected if they use Auth0-PHP SDK versions between v8.0.0 and v8.17.0, or applications using the following SDKs that rely on the Auth0-PHP SDK versions between v8.0.0 and v8.17.0: Auth0/symfony versions between 5.0.0 and 5.5.0, Auth0/laravel-auth0 versions between 7.0.0 and 7.19.0, and/or Auth0/wordpress plugin versions between 5.0.0-BETA0 and 5.4.0. Auth0/Auth0-PHP version 8.18.0 contains a patch for the issue.

## Affected

- `auth0-php >= 8.0.0, < 8.18.0`
- `laravel-auth0 >= 7.0.0, < 7.20.0`
- `symfony >= 5.0.0, < 5.6.0`
- `wp-auth0 >= 5.0.0, < 5.5.0`

## Remediation

Upgrade past the affected range:

- `auth0-php 8.18.0`
- `laravel-auth0 7.20.0`
- `symfony 5.6.0`
- `wp-auth0 5.5.0`