CVE-2026-49443

HIGH8.8

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

Published: 6/5/2026Modified: 6/5/2026
Also known as:BIT-authentik-2026-49443

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.

Affected packages (1)

  • Bitnami/authentikfrom 0, < 2025.12.6, >= 2026.0.0, < 2026.2.4, >= 2026.3.0, < 2026.5.1

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1HIGH8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (2)