CVE-2026-49448
Published:June 02, 2026
Updated:July 21, 2026
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.
Affected Packages
https://github.com/goauthentik/authentik.git (GITHUB):
Affected version(s) >=version/0.0.2-alpha <version/2025.12.6Fix Suggestion:
Update to version version/2025.12.6https://github.com/goauthentik/authentik.git (GITHUB):
Affected version(s) >=version/2026.2.0 <version/2026.2.4Fix Suggestion:
Update to version version/2026.2.4https://github.com/goauthentik/authentik.git (GITHUB):
Affected version(s) =version/2026.5.0 <version/2026.5.1Fix Suggestion:
Update to version version/2026.5.1Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Authentication
EPSS
Base Score:
0.40