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CVE-2026-42849

Authentik

Description

authentik is an open-source identity provider. Prior to versions 2025.12.5 and 2026.2.3, due to the implementation of stages in the SFE (Simple Flow Executor) in order to make the interface more compatible with legacy browsers, it was possible to use an XSS exploit in the AutosubmitStage. This issue has been patched in versions 2025.12.5 and 2026.2.3.

CVSS 9.3EPSS 0.35500000000000004%Risk 0.96
View source
Published
2026-06-02 21:16:27
Affected versions
<2025.12.5,<2026.2.3
Type
Core software
Last modified
2026-07-22 19:10:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N