CVE-2026-49448

CriticalCVSS 9.8

Published: 02/06/2026(UTC)Updated: 22/07/2026(UTC)Translated: 23/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.41%

33th percentile - higher than 33% of all known CVEs

Summary

Vulnerability in authentik (identity provider) prior to versions 2025.12.6, 2026.2.4, and 2026.5.1 allows bypassing the Source stage by sending an empty POST request.

Risk Assessment

The risk involves authentication bypass, potentially leading to unauthorized system access.

Recommendation

Update authentik to version 2025.12.6, 2026.2.4, or 2026.5.1, which contain the fix.

Original NVD description (English source)

authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.