Auth bypass in Auth0 Auth0-php
CVE-2025-47275
Auth0-PHP provides the PHP SDK for Auth0 Authentication and Management APIs. Starting in version 8.0.0-BETA1 and prior to version 8.14.0, session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authenticati…
Vulnerability class: Broken Authentication
EPSS: 0.001 (24.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Auth0 Auth0-php — versions >= 8.0.0-BETA1, < 8.14.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-g98g-r7gf-2r25 (x_refsource_CONFIRM)
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-9fwj-9mjf-rhj3 (x_refsource_MISC)
- https://github.com/auth0/symfony/security/advisories/GHSA-9wg9-93h9-j8ch (x_refsource_MISC)
- https://github.com/auth0/wordpress/security/advisories/GHSA-2f4r-34m4-3w8q (x_refsource_MISC)
- https://github.com/auth0/auth0-PHP/commit/52a79480fdb246f59dbc089b81a784ae049bd389 (x_refsource_MISC)
- https://github.com/auth0/auth0-PHP/releases/tag/8.14.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-47275?
- CVE-2025-47275 is a critical-severity vulnerability in Auth0 Auth0-php, classified under Improper Authentication. CVSS score: 9.1/10. Published 2025-05-15.
- How severe is CVE-2025-47275?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2025-47275 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.