CVE-2026-40165
authentik · authentik
A security vulnerability has been identified in the authentik open-source identity provider which may impact authentication security.
Executive summary
The authentik identity provider is affected by a security vulnerability that could threaten the integrity of managed authentication services.
Vulnerability
The vulnerability affects the authentik open-source identity provider. Specific details regarding the attack vector and required authentication levels are currently insufficient to determine if the flaw is exploitable by an unauthenticated attacker.
Business impact
With a CVSS score of 8.7, this is a High severity vulnerability that poses a significant risk to identity management infrastructure. Exploitation could allow unauthorized access to sensitive systems integrated with the identity provider, leading to widespread data exposure or privilege escalation.
Remediation
Immediate Action: Upgrade to the latest version of authentik as soon as a security patch is released by the vendor.
Proactive Monitoring: Monitor authentication logs for suspicious login patterns, failed access attempts, or unauthorized configuration changes.
Compensating Controls: Ensure multi-factor authentication (MFA) is enforced wherever possible to provide a secondary layer of defense against credential-based attacks.
Exploitation status
Public Exploit Available: false
Analyst recommendation
Identity providers are high-value targets for attackers; therefore, this vulnerability must be addressed with high priority. Organizations should track the official authentik security channel for patch releases and prepare for an immediate deployment once the fix is available.