CVE-2026-49443

authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API

Published Jun 2, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Goauthentik
Goauthentik authentik
Vendors & Products Goauthentik
Goauthentik authentik
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, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.
Title authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 3, 2026, 1:59 PM
Reserved
May 30, 2026, 2:43 AM
Status
Analyzed
Published
Jun 2, 2026, 9:16 PM
Modified
Jul 22, 2026, 7:10 PM