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.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Description 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.
Title authentik: SourceStage bypass via empty POST
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-02T20:31:20.323Z

Reserved: 2026-05-30T02:43:33.106Z

Link: CVE-2026-49448

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-02T21:16:28.490

Modified: 2026-06-02T21:16:28.490

Link: CVE-2026-49448

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses