CVE-2026-49448 | authentik is an open-source identity provider. Prior to vers… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-49448
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-05-30 02:43 UTC
Published: 2026-06-02 20:31 UTC
Last updated: 2026-06-03 12:46 UTC
Primary CWE: CWE-287
CWE-287: Improper Authentication
Vendor / Product: goauthentik / authentik
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
goauthentik	authentik	—	< 2025.12.6, < 2026.2.4, < 2026.5.1

Weakness (CWE)

CWE	Source	Description
CWE-287	cna	CWE-287: Improper Authentication

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)

https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8 https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8