CVE-2026-114490— hMailServer 身份验证错误漏洞
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 6.3.4 至 6.3.6 版本的 COM 管理 API 存在授权缺陷。若将服务器管理员（serveradmin）角色分配给某个账户，并为其指定一个域名列表（该列表本意是限制该账户仅能管理这些域名），该账户仍可通过 COM 接口获得整个服务器的管理员权限。服务器管理员角色的设计初衷是将此类凭证的作用范围限制在其所指定的域名列表内；REST API 确实遵循了这一限制，未将其视为全局服务器管理员，但 COM API 在检查服务器管理员权限时，错误地将"adm
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一、 漏洞 CVE-2026-114490 基础信息
漏洞信息
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Vulnerability Title
Incorrect Authorization in hMailServer
来源: CVE Program / CVE List V5
Vulnerability Description
Incorrect authorization in the COM administration API of Progressive Robot hMailServer 6.3.4 through 6.3.6 allows an account assigned the serveradmin role with a list of domains - a credential an administrator may create meaning to confine it to those domains - to act as the whole-server administrator over COM. Administrator roles are meant to confine such a credential to the domains its list names, and the REST API did not take it for the server administrator, but the COM API's server-administrator check read the administer_server permission as the whole server whatever list the grant carried. So the credential signed in through the Control Panel, or through a script run on the server, as the server administrator of every domain: it could read and change every domain's accounts and mail, rename any domain, map a domain alias onto any, write the server's settings and secrets, and create further server-administrator accounts. The COM API's domain-administrator check, asked with no domain, likewise let an account assigned the domainadmin role with a list of domains that leaves out the account's own domain administer that domain's ordinary accounts over COM. An account holding serveradmin with no list is the server administrator by design and is unaffected, as are the help desk, auditor and custom roles.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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 | 6.3.4 ~ 6.3.6 | - |
|
二、漏洞 CVE-2026-114490 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-114490 厂商页面 (1)
CVE-2026-114490 其他参考 (1)
同批安全公告 · Progressive Robot Ltd · 2026-10-21 · 共 12 条
| CVE-2026-114489 | 8.1 HIGH | hMailServer 授权缺失漏洞 |
| CVE-2026-114476 | 7.5 HIGH | hMailServer 身份验证错误漏洞 |
| CVE-2026-114475 | 6.5 MEDIUM | hMailServer 授权缺失漏洞 |
| CVE-2026-114478 | 5.9 MEDIUM | hMailServer 混淆代理漏洞 |
| CVE-2026-114474 | 5.9 MEDIUM | hMailServer 使用不可信来源漏洞 |
| CVE-2026-114479 | 5.8 MEDIUM | hMailServer 非安全失败（开放）漏洞 |
| CVE-2026-114470 | 5.3 MEDIUM | hMailServer 跨站请求伪造漏洞 |
| CVE-2026-114473 | 5.0 MEDIUM | hMailServer 身份验证绕过漏洞 |
| CVE-2026-114471 | 4.7 MEDIUM | hMailServer 敏感信息写入日志文件漏洞 |
| CVE-2026-114477 | 4.3 MEDIUM | hMailServer 未授权访问漏洞 |
| CVE-2026-114472 | 3.7 LOW | hMailServer 资源池不足漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-114490
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