Bypass Vulnerability in Authentik Identity Provider by GoAuthentik
CVE-2026-49448

9.8CRITICAL

Key Information:

Vendor

Goauthentik

Status
Authentik
Vendor
CVE Published:
2 June 2026

What is CVE-2026-49448?

Authentik, an open-source identity provider by GoAuthentik, contains a vulnerability that allows an attacker to bypass the Source stage by sending an empty POST request. This flaw has been addressed in recent updates, specifically versions 2025.12.6, 2026.2.4, and 2026.5.1, which strengthen the application's integrity and prevent unauthorized access. Users are strongly advised to upgrade to the patched versions to mitigate potential risks.

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:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.