Auth bypass in Goauthentik Authentik

CVE-2026-49443

authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This…

Vulnerability class: Broken Authentication

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49443?
CVE-2026-49443 is a high-severity vulnerability in Goauthentik Authentik, classified under Improper Authentication. CVSS score: 8.8/10. Published 2026-06-02.
How severe is CVE-2026-49443?
High severity. CVSS v3 base score is 8.8 out of 10.