PT-2026-45855 · Goauthentik · Authentik

Published

2026-06-02

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Updated

2026-06-02

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CVE-2026-42849

CVSS v3.1

9.3

Critical

VectorAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
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.

Fix

XSS

Weakness Enumeration

Related Identifiers

CVE-2026-42849

Affected Products

Authentik