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CVE-2025-64521
Good to know:
Date: November 19, 2025
authentik is an open-source Identity Provider. Prior to versions 2025.8.5 and 2025.10.2, when authenticating with client_id and client_secret to an OAuth provider, authentik creates a service account for the provider. In previous authentik versions, authentication for this account was possible even when the account was deactivated. Other permissions are correctly applied and federation with other providers still take assigned policies correctly into account. authentik versions 2025.8.5 and 2025.10.2 fix this issue. A workaround involves adding a policy to the application that explicitly checks if the service account is still valid, and deny access if not.
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Top Fix
Upgrade Version
Upgrade to version goauthentik.io - v0.0.0-20251119140106-9dbdfc3f1be0;https://github.com/goauthentik/authentik.git - version/2025.10.2;https://github.com/goauthentik/authentik.git - version/2025.10.2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | HIGH |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | NONE |