CVE-2026-104660— hMailServer 缺少授权漏洞
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。
在 Progressive Robot hMailServer 6.0.0 至 6.3.5 版本（仅限 Windows）中，COM 对象存在授权缺失漏洞，允许任何本地交互式用户（无需 hMailServer 凭据）以服务账户身份读写任意文件，并伪造任意发件人发送电子邮件。 该服务在注册其 COM 类时未设置 DCOM 访问权限或启动权限，并调用 而未指定安全描述符。因此，任何通过控制台或远程桌面（RDP）登录系统的用户，均可激活运行中服务内的 COM 类。通过这种方式创建的 对象、其 和 对象，以及 对象，均携带从
获取后续新漏洞提醒
登录后订阅
一、 漏洞 CVE-2026-104660 基础信息
漏洞信息
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
查看神龙十问 ↗
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Missing Authorization in hMailServer
来源: CVE Program / CVE List V5
Vulnerability Description
Missing authorization on COM objects in Progressive Robot hMailServer 6.0.0 through 6.3.5 (Windows only) lets a local interactive user with no hMailServer credential read and write arbitrary files as the service account and queue mail as any sender. The service registers its COM classes with no DCOM access or launch permission and calls CoInitializeSecurity with no security descriptor, so any user logged on at the console or over Remote Desktop can activate the classes in the running service; a hMailServer.Message, its Attachments and Attachment, and a hMailServer.FetchAccount created this way carry a credential that never authenticated. Attachments.Add(path) and Attachment.SaveAs(path) performed no authorization check, and Message.Save/Copy and FetchAccount.AccountID/Save performed none either up to 6.3.3 and from 6.3.4 treated a holder with no credential as the server's own event-script host. Because the service does not impersonate the COM caller, Attachments.Add reads any file the service account can read and returns it, Attachment.SaveAs writes attacker-chosen bytes to any path it can write (on a LocalSystem installation, code execution as SYSTEM), Message.Save queues outbound mail from any address past the SMTP checks, and FetchAccount attaches a mail-fetch job to any mailbox. The objects an Application handed out behave the same once a later Authenticate on that Application fails.
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
授权机制缺失
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 | 6.0.0 ~ 6.3.6 | - |
|
二、漏洞 CVE-2026-104660 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
未找到公开 POC。
登录以生成 AI POC三、漏洞 CVE-2026-104660 的情报信息
请登录查看更多情报信息。
CVE-2026-104660 其他参考 (2)
同批安全公告 · Progressive Robot Ltd · 2026-10-08 · 共 22 条
| CVE-2026-103647 | 8.0 HIGH | hMailServer 跨站脚本漏洞 |
| CVE-2026-103010 | 7.8 HIGH | hMailServer 堆缓冲区溢出漏洞 |
| CVE-2026-107573 | 7.8 HIGH | hMailServer 默认权限配置错误漏洞 |
| CVE-2026-104658 | 7.8 HIGH | hMailServer 安全决策依赖不可信输入漏洞 |
| CVE-2026-103649 | 7.5 HIGH | hMailServer 同步访问远程资源无超时漏洞 |
| CVE-2026-107577 | 7.5 HIGH | hMailServer 无限循环漏洞 |
| CVE-2026-107574 | 7.5 HIGH | hMailServer 低效算法复杂度漏洞 |
| CVE-2026-107579 | 7.5 HIGH | hMailServer 算法复杂度低效漏洞 |
| CVE-2026-107576 | 7.5 HIGH | hMailServer 算法复杂度低效漏洞 |
| CVE-2026-104659 | 7.5 HIGH | hMailServer 邮件验证错误 |
| CVE-2026-107584 | 7.4 HIGH | hMailServer 安全失败机制缺陷 |
| CVE-2026-104704 | 7.4 HIGH | hMailServer 敏感信息明文传输漏洞 |
| CVE-2026-107578 | 6.7 MEDIUM | hMailServer 链接解析不当导致远程代码执行漏洞 |
| CVE-2026-103011 | 6.5 MEDIUM | hMailServer 堆缓冲区溢出漏洞 |
| CVE-2026-107583 | 6.5 MEDIUM | hMailServer 算法复杂度低效漏洞 |
| CVE-2026-107572 | 6.5 MEDIUM | hMailServer 正则表达式复杂度低效漏洞 |
| CVE-2026-107581 | 6.5 MEDIUM | hMailServer 算法复杂度低效漏洞 |
| CVE-2026-107582 | 6.5 MEDIUM | hMailServer 算法复杂度低效漏洞 |
| CVE-2026-107580 | 6.5 MEDIUM | hMailServer 算法复杂度低漏洞 |
| CVE-2026-107587 | 5.9 MEDIUM | hMailServer 证书验证不当漏洞 |
显示前 20 条，共 22 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-104660
暂无评论