Improper authentication in authentik - CVE-2025-64521
Published: November 19, 2025
Vulnerability identifier: #VU118626
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64521
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an error in processing authentication requests within the OAuth provider. A remote user can login with the deactivated account.
Affected software
authentik
How to mitigate CVE-2025-64521
Install updates from vendor's website.
authentik - addressed in versions 2025.8.5, 2025.10.2