Operation on a Resource after Expiration or Release in authentik - CVE-2025-64708
Published: November 19, 2025
Vulnerability identifier: #VU118625
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64708
CWE-ID: CWE-672
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to authentik considers invitations valid regardless of their expiration date relying on background tasks to clean up expired ones. In a normal scenario this can take up to 5 minutes because the cleanup of expired objects is scheduled to run every 5 minutes. However, with a large amount of tasks in the backlog, this might take longer. This allows a remote attacker to guess invitation token and gain unauthorized access to the application.
Affected software
authentik
How to mitigate CVE-2025-64708
Install updates from vendor's website.
authentik - addressed in versions 2025.8.5, 2025.10.2