CVE-2026-96445— Keycloak 代理头部条件OTP绕过漏洞
一分钟漏洞结论
影响对象
Red Hat Red Hat Build of Keycloak
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
A flaw was found in the Conditional OTP authenticator of Keycloak, an identity and access management solution. The issue occurs when the system evaluates specific HTTP headers to determine if a one-time password (OTP) should be skipped, but fails to verify if
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一、 漏洞 CVE-2026-96445 基础信息
漏洞信息
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Vulnerability Title
Keycloak-services: keycloak-services: conditional otp skip-header policy evaluated against untrusted proxy headers
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Conditional OTP authenticator of Keycloak, an identity and access management solution. The issue occurs when the system evaluates specific HTTP headers to determine if a one-time password (OTP) should be skipped, but fails to verify if those headers came from a trusted source. This could allow an attacker who already has a user's password to bypass the second-factor authentication by providing a specially crafted header in their request.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Red Hat | Red Hat Build of Keycloak | - |
cpe:/a:redhat:build_keycloak:
|
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| Red Hat | Red Hat Build of Keycloak | - |
cpe:/a:redhat:build_keycloak:
|
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| Red Hat | Red Hat Single Sign-On 7 | - |
cpe:/a:redhat:red_hat_single_sign_on:7
|
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二、漏洞 CVE-2026-96445 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-96445 厂商安全公告 (2)
同批安全公告 · Red Hat · 2026-09-23 · 共 4 条
| CVE-2026-96512 | 7.8 HIGH | Sudo TZ环境变量绕过时间授权漏洞 |
| CVE-2026-96442 | 7.8 HIGH | Emacs 5.3920 修复不完整致远程代码执行 |
| CVE-2026-96446 | 4.2 MEDIUM | Keycloak prompt=none 静默认证路径单用绕过漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-96445
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