CVE-2026-0856— Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 访问控制错误漏洞
一分钟漏洞结论
影响对象
Mesalvo Meona Client
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。
Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component都是Mesalvo公司的产品。Mesalvo Meona Client Launcher Component是一个面向医疗信息系统客户端启动与应用接入的组件。Mesalvo Meona Server Component是一个面向医院临床工作流与患者数据管理的服务端组件。 Mesalvo Meona Client Launcher Component 19.06.202
可能的 ATT&CK 技术 1 AI
T1078 · Valid Accounts影响版本矩阵 6
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Mesalvo | Meona Client | 2024.10 |
affected |
2025.04 |
affected | ||
2026.03 |
affected | ||
| Mesalvo | Meona Server | 2024.10 |
affected |
2025.04 |
affected | ||
2026.03 |
affected |
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一、 漏洞 CVE-2026-0856 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
Improper Access Control vulnerability in Mesalvo MEONA (MEONA Client and MEONA Server) allows an authenticated MEONA user to access administrative functions of the MEONA Client (admin panel). The MEONA Server does not independently verify the role asserted by the MEONA Client. A user who holds a valid MEONA user account and is able to execute a modified copy of the MEONA Client on a device within the operating hospital's network can assert an administrator role and access administrative functions with regular user credentials.
Exploitation requires: (1) a valid MEONA user account issued by the operating hospital; (2) network access to the MEONA Server, which is operated exclusively within closed hospital networks without exposure to the public Internet (where a hospital permits remote access to that network at all, it is only through the hospital's own remote-access infrastructure (e.g. VPN) under the hospital's control); (3) the ability to modify MEONA Client binaries and to execute the modified copy on a device in that network. On managed devices with application control, as recommended in Mesalvo's hardening guidance (MSA-2026-001), this requires local administrator privileges on the device. Mesalvo is not aware of any exploitation outside the reported security test.
This issue affects MEONA Client and MEONA Server in versions 2024.10, 2025.04 and 2026.03. Mitigations are available with MEONA 2025.04.24 and 2026.03.02 (planned Q4 2026); see Mesalvo Security Advisory MSA-2026-001.
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
访问控制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 访问控制错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component都是Mesalvo公司的产品。Mesalvo Meona Client Launcher Component是一个面向医疗信息系统客户端启动与应用接入的组件。Mesalvo Meona Server Component是一个面向医院临床工作流与患者数据管理的服务端组件。 Mesalvo Meona Client Launcher Component 19.06.202
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Mesalvo | Meona Client | 2024.10 | - |
|
| Mesalvo | Meona Server | 2024.10 | - |
|
二、漏洞 CVE-2026-0856 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。
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CVE-2026-0856 安全博客文章 (1)
CVE-2026-0856 其他参考 (1)
-
https://mesalvo.com/en/vdp/advisories/msa-2026-001.pdf vendor-advisory
同批安全公告 · Mesalvo · 2026-05-20 · 共 4 条
| CVE-2026-22314 | 7.9 HIGH | Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 代码注入漏洞 |
| CVE-2026-0857 | 4.4 MEDIUM | Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 安全漏洞 |
| CVE-2026-25602 | 2.3 LOW | Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 数据伪造问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-0856
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