CVE-2026-42849EPSS p23.4%

CVE-2026-42849CVE-2026-42849

goauthentik / 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.

Scoring

CVSS 9.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS0.32% probability of exploitation · percentile 23.4% · 2026-06-19T12:03:05Z
Last modified2026-06-04

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.