CVE-2026-107180— MISP OTP强制注册绕过漏洞
一分钟漏洞结论
影响对象
MISP MISP
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。
在配置为要求进行 TOTP 注册的安全策略（Security.otp_required）的 MISP 实例中，强制性的双重身份认证设置仅对标准浏览器请求生效。已通过身份验证但尚未完成 TOTP 注册的用户，可以通过发起任何非浏览器类型的请求（包括 AJAX/XHR 调用、REST API 请求、.json 格式 URL、restSearch 查询或自动化操作）绕过该强制设置。由于这些机器可读的请求形式无法跟随浏览器路径所使用的重定向指令（该重定向会将用户引导至 TOTP 注册页面），因此访问控制守卫（guard）直
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一、 漏洞 CVE-2026-107180 基础信息
漏洞信息
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Vulnerability Title
MISP: Forced TOTP Enrolment Bypassed via Non-Browser Request Types on otp_required Instances
来源: CVE Program / CVE List V5
Vulnerability Description
On MISP instances configured to require TOTP enrolment (Security.otp_required), the enforcement of the mandatory two-factor authentication setup applied only to standard browser requests. An authenticated user who had not yet enrolled in TOTP could bypass the forced setup by issuing any non-browser request type, including AJAX/XHR calls, REST API requests, .json format URLs, restSearch queries, or automation actions. Because these machine-readable request shapes cannot follow the redirect that the browser path uses to send the user to the TOTP enrolment page, the guard simply skipped the check and the user retained full access to the instance without completing the required second-factor setup.
The initial fix (commit 8deb0619e) added a guard specifically for AJAX requests. A follow-up fix (commit 6b527ba6e) broadened the guard to cover every non-browser request shape, while preserving the exemption for identities authenticated via API key (logged_by_authkey flag).
Impact: an authenticated user on an otp_required instance can operate with full access indefinitely without enrolling in TOTP, nullifying the instance-level two-factor authentication policy.
Affected version: <2.5.48
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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
二、漏洞 CVE-2026-107180 的公开POC
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CVE-2026-107180 其他参考 (2)
IV. Related Vulnerabilities
V. Comments for CVE-2026-107180
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