9.3

CVE-2026-42849

authentik: Reflected XSS in SFE AutosubmitStage allows IDP account takeover

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Goauthentik ≫ Authentik Version < 2025.12.5
Goauthentik ≫ Authentik Version >= 2026.2.0 < 2026.2.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.234
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 9.3 2.8 5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://github.com/goauthentik/authentik/security/advisories/GHSA-pgff-5mx8-fqj3
Vendor Advisory