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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.

PUBLISHED Reserved 2026-05-30 | Published 2026-06-02 | Updated 2026-06-03 | Assigner GitHub_M




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-287: Improper Authentication

Product status

< 2025.12.6
affected

< 2026.2.4
affected

< 2026.5.1
affected

References

github.com/...hentik/security/advisories/GHSA-xp7f-xjjx-gwm8 exploit

github.com/...hentik/security/advisories/GHSA-xp7f-xjjx-gwm8

cve.org (CVE-2026-49448)

nvd.nist.gov (CVE-2026-49448)

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