Authentication Bypass Vulnerability in Authentik Identity Provider
CVE-2026-49443

8.8HIGH

Key Information:

Vendor

Goauthentik

Status
Authentik
Vendor
CVE Published:
2 June 2026

What is CVE-2026-49443?

Authentik, an open-source identity provider, contains a vulnerability that allows attackers to bypass authentication if they can modify a source connection and possess an account from one of the configured sources. This flaw enables unauthorized access to any account, leading to potential data breaches. Mitigations are available in Authentik versions 2025.12.6, 2026.2.4, and 2026.5.1, which address this flaw effectively.

Affected Version(s)

authentik < 2025.12.6 < 2025.12.6

authentik < 2026.2.4 < 2026.2.4

authentik < 2026.5.1 < 2026.5.1

References

https://github.com/goauthentik/authentik/security/advisor...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.