CVE-2026-126624— hMailServer 未验证所有权漏洞
一分钟漏洞结论
影响对象
Progressive Robot Ltd hMailServer
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。
Progressive Robot hMailServer 6.3.7 的 Windows 安装程序存在未验证文件所有权的问题，允许本地已认证用户以邮件服务器服务账户或管理员身份执行代码。该问题发生在安装程序将软件安装到、或升级至一个非管理员账户此前已具有写入权限的程序文件夹时（例如，在驱动器根目录预先创建的文件夹）。 虽然 6.3.7 版本通过限制程序主目录、Bin 目录和 ControlPanel 目录的权限（仅允许管理员修改）修复了 CVE-2026-107571，但安装程序并未拒绝这些目录中已存在的文件，也
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一、 漏洞 CVE-2026-126624 基础信息
漏洞信息
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Vulnerability Title
Unverified Ownership in hMailServer
来源: CVE Program / CVE List V5
Vulnerability Description
Unverified ownership in the Windows installer of Progressive Robot hMailServer 6.3.7 allows a local authenticated user to run code as the mail server's service account or as an administrator when setup installs into, or upgrades, a program folder that accounts other than the administrators could write before, such as one made beforehand at the root of a drive. 6.3.7 fixed CVE-2026-107571 by giving the program folder, Bin and ControlPanel permissions that only administrators may change, but setup refused nothing that was already in them, or in the folders that hold the event script, the add-ons and the database scripts: a program, a library, a script or a settings file that another account owns, or whose own permissions let another account change it, is kept with that owner and those permissions, which the hardening of the folders does not take away. Setup then runs programs from Bin with the administrator's elevated rights, and the service, which runs as LocalSystem or as its virtual account, runs them and the event script, so that a library such an account placed in Bin is loaded in place of the system's; the account can still change the file after the installation. The default installation under Program Files is not affected.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
未经验证的属主
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Progressive Robot Ltd | hMailServer | 6.3.7 | - |
|
二、漏洞 CVE-2026-126624 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-126624 厂商页面 (1)
CVE-2026-126624 其他参考 (2)
同批安全公告 · Progressive Robot Ltd · 2026-11-11 · 共 18 条
| CVE-2026-126617 | 8.8 HIGH | hMailServer SQL 注入漏洞 |
| CVE-2026-126607 | 7.8 HIGH | hMailServer 搜索路径元素控制缺失漏洞 |
| CVE-2026-126612 | 7.8 HIGH | hMailServer 文件访问前链接解析不当漏洞 |
| CVE-2026-126613 | 7.5 HIGH | hMailServer 资源分配无限制漏洞 |
| CVE-2026-126623 | 7.5 HIGH | hMailServer 低效算法复杂度漏洞 |
| CVE-2026-126609 | 7.5 HIGH | hMailServer 证书验证不当漏洞 |
| CVE-2026-126621 | 7.5 HIGH | hMailServer 证书验证不当漏洞 |
| CVE-2026-126610 | 7.4 HIGH | hMailServer 证书验证不当漏洞 |
| CVE-2026-126622 | 7.3 HIGH | hMailServer 默认权限配置错误漏洞 |
| CVE-2026-126611 | 7.0 HIGH | hMailServer 证书验证不当漏洞 |
| CVE-2026-126625 | 6.7 MEDIUM | hMailServer 默认权限配置错误漏洞 |
| CVE-2026-126614 | 5.3 MEDIUM | hMailServer 身份验证尝试限制不当漏洞 |
| CVE-2026-126626 | 5.3 MEDIUM | hMailServer 账户锁定机制过于严格漏洞 |
| CVE-2026-126615 | 5.3 MEDIUM | hMailServer 别名身份验证绕过漏洞 |
| CVE-2026-126616 | 5.3 MEDIUM | hMailServer 身份验证尝试限制不当漏洞 |
| CVE-2026-126618 | 5.3 MEDIUM | hMailServer 身份验证尝试限制不当漏洞 |
| CVE-2026-126619 | 4.8 MEDIUM | hMailServer 输入解析错误漏洞 |