CVE-2026-42849
authentik: Reflected XSS in SFE AutosubmitStage allows IDP account takeover
9.3
CRITICAL
CVSS 3.1
EPSS 0.36%
描述
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.
如何修補 CVE-2026-42849
要修補 CVE-2026-42849,請將受影響套件升級到下列已修補版本。
- —升級至 2025.12.5 或更新版本
CVE-2026-42849 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 2025.12.5, >= 2026.0.0, < 2026.2.3
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |