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I. Basic Information for CVE-2026-5802
Vulnerability Information
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Vulnerability Title
idachev mcp-javadc HTTP os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in idachev mcp-javadc up to 1.2.4. Impacted is an unknown function of the component HTTP Interface. Such manipulation of the argument jarFilePath leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MCP Java Decompiler Server 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MCP Java Decompiler Server是Ivan Dachev个人开发者的一个Java字节码反编译服务器。 MCP Java Decompiler Server 1.2.4及之前版本存在操作系统命令注入漏洞，该漏洞源于对HTTP接口组件中参数jarFilePath的操作，可能导致os命令注入。
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
idachevmcp-javadc 1.2.0 -
II. Public POCs for CVE-2026-5802
#POC DescriptionSource LinkShenlong Link
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Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf · 6275 chars
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III. Intelligence Information for CVE-2026-5802
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IV. Related Vulnerabilities
Same weakness: CWE-78
V. Comments for CVE-2026-5802

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