CVE-2026-126617— hMailServer SQL 注入漏洞
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 6.0.0-B1 至 6.2.18 版本的数据库层存在 SQL 注入漏洞。当服务器使用 MySQL/MariaDB 或 PostgreSQL 时，远程攻击者可篡改服务器执行的 SQL 语句。在这两种数据库引擎中，参数未进行绑定处理： 方法将每个值以带引号的字面量形式写入语句文本，并对整段文本按参数逐个进行字符串替换。若某个参数值中包含后续参数的名称，则该名称会在其所在值内部被后续带引号的参数值替换，导致字面量提前终止，而后续参数值则以 SQL 代码形式被嵌
可能的 ATT&CK 技术 1 AI
T1190 · Exploit Public-Facing Application
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一、 漏洞 CVE-2026-126617 基础信息
漏洞信息
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Vulnerability Title
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in hMailServer
来源: CVE Program / CVE List V5
Vulnerability Description
SQL injection in the database layer of Progressive Robot hMailServer 6.0.0-B1 through 6.2.18, when the server uses MySQL/MariaDB or PostgreSQL, allows a remote attacker to alter SQL statements the server runs. On those two engines parameters are not bound: SQLStatement::GenerateFromCommand wrote each value into the statement's text as a quoted literal with a separate string replacement over the whole text per parameter, so a value holding the name of a parameter substituted after it had that name replaced, inside the value, by the later value with its own quotes, which ended the literal early and placed the later value in the statement as SQL. The row the server writes for each recipient of a queued message carries the recipient's address twice, so in the default configuration an authenticated user who may send mail reaches it by sending to an address of their choosing. A remote unauthenticated sender reaches the same statement through a message the server sends to the envelope sender, such as a delivery failure notice or an automatic reply, and, when greylisting or message indexing is enabled (both are off by default), through the greylisting record's envelope addresses or through the message metadata the server stores for IMAP SORT, which carries four header fields of a received message. An altered statement runs with the privileges of the server's database account; on PostgreSQL, whose client call runs every statement in the text it is given, further statements can follow it, while on MySQL/MariaDB, where one statement is run per call, the change is confined to the statement it is in. SQL Server and SQL Server Compact, where parameters are bound, are not affected.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
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-B1 ~ 6.2.18 | - |
|
二、漏洞 CVE-2026-126617 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-126617 其他参考 (2)
同批安全公告 · Progressive Robot Ltd · 2026-11-11 · 共 18 条
| CVE-2026-126612 | 7.8 HIGH | hMailServer 文件访问前链接解析不当漏洞 |
| CVE-2026-126607 | 7.8 HIGH | hMailServer 搜索路径元素控制缺失漏洞 |
| CVE-2026-126621 | 7.5 HIGH | hMailServer 证书验证不当漏洞 |
| 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-2026-126610 | 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-2026-126624 | 7.3 HIGH | hMailServer 未验证所有权漏洞 |
| 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-2026-126615 | 5.3 MEDIUM | hMailServer 别名身份验证绕过漏洞 |
| CVE-2026-126614 | 5.3 MEDIUM | hMailServer 身份验证尝试限制不当漏洞 |
| 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-2026-126626 | 5.3 MEDIUM | hMailServer 账户锁定机制过于严格漏洞 |
| CVE-2026-126619 | 4.8 MEDIUM | hMailServer 输入解析错误漏洞 |