Auth0 Laravel SDK has Improper Audience Validation via Auth0-PHP SDK dependency
Description
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.
Affected product and versions
Users are affected if they meet the following preconditions:
- Applications using the Auth0 laravel-auth0 SDK with versions between 7.0.0 and 7.19.0,
- Auth0 laravel-auth0 SDK uses the Auth0-PHP SDK with versions between 8.0.0 and 8.17.0.
Resolution
Upgrade Auth0/laravel-auth0 to version 7.20.0 or greater.
Acknowledgement
Okta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | auth0/login | >= 7.0.0, < 7.20.0 | 7.20.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-1395, CWE-863- Platform
- Composer
- Package
auth0/login- Disclosed
- 17.12.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7hh9-gp72-wh7h - CC BY 4.0
Vulnerability history: auth0/login
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 05.2025 04.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 1
- Medium 1
- Low 1
Disclosures per year
- 2025: 4
- 2026: 1
-
Auth0 Laravel SDK has Improper Audience Validation via Auth0-PHP SDK dependency this entry
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