CVE-2026-25922
authentik has a Signature Verification Bypass via SAML Assertion Wrapping
8.8
HIGH
CVSS 3.1
EPSS 0.17%
描述
authentik is an open-source identity provider. Prior to 2025.8.6, 2025.10.4, and 2025.12.4, when using a SAML Source that has the option Verify Assertion Signature under Verification Certificate enabled and not Verify Response Signature, or does not have the Encryption Certificate setting under Advanced Protocol settings configured, it was possible for an attacker to inject a malicious assertion before the signed assertion that authentik would use instead. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.
如何修補 CVE-2026-25922
要修補 CVE-2026-25922,請將受影響套件升級到下列已修補版本。
- —升級至 2025.8.6 或更新版本
CVE-2026-25922 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 2025.8.6, >= 2025.10.0, < 2025.12.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |