CVEvulnerability

CVE-2026-42849

9.3 CRITICAL Published 2026-06-02 Modified 2026-07-22 Official page ↗
Status
Analyzed
Published
2026-06-02
Last modified
2026-07-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.3 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weaknesses
CWE-79

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.

Affected configurations

• goauthentik authentik (< 2025.12.5) • goauthentik authentik (>= 2026.2.0 < 2026.2.3)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References