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CVE-2026-0857

CVSS 6.0 · Medium EPSS 0.01% · P0

Possible ATT&CK Techniques 1AI

T1552 · Unsecured Credentials

Affected Version Matrix 2

VendorProductVersion RangeStatus
MesalvoMeona Client Launcher Component≤ 19.06.2020 15:11:49affected
MesalvoMeona Server Component≤ 2025.04 5+323020affected
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I. Basic Information for CVE-2026-0857

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在内存中的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MesalvoMeona Client Launcher Component 0 ~ 19.06.2020 15:11:49 -
MesalvoMeona Server Component 0 ~ 2025.04 5+323020 -

II. Public POCs for CVE-2026-0857

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III. Intelligence Information for CVE-2026-0857

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Security Blog Posts for CVE-2026-0857 (1)

Same Patch Batch · Mesalvo · 2026-05-20 · 5 CVEs total

CVE-2026-223149.0 CRITICALMesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 代码注入漏洞
CVE-2026-08567.8 HIGHMesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 访问控制错误漏洞
CVE-2026-223157.2 HIGHMesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 安全漏洞
CVE-2026-256024.4 MEDIUMMesalvo Meona Client Launcher Component和Mesalvo Meona Server Component 数据伪造问题漏洞

IV. Related Vulnerabilities

Same product: Meona Client Launcher Component
Same vendor: Mesalvo
Same weakness: CWE-316

V. Comments for CVE-2026-0857

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