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I. Basic Information for CVE-2026-35568
Vulnerability Information

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Vulnerability Title
MCP Java-SDK has a DNS Rebinding Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to 1.0.0, the java-sdk contains a DNS rebinding vulnerability. This vulnerability allows an attacker to access a locally or network-private java-sdk MCP server via a victims browser that is either local, or network adjacent. This allows an attacker to make any tool call to the server as if they were a locally running MCP connected AI agent. This vulnerability is fixed in 1.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
源验证错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
MCP Java SDK 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MCP Java SDK是Model Context Protocol开源的一个用于Java应用集成AI模型与工具的标准协议SDK。 MCP Java SDK 1.0.0之前版本存在访问控制错误漏洞,该漏洞源于DNS重绑定漏洞,可能导致攻击者通过受害者的浏览器访问本地或网络私有的MCP服务器,从而执行任意工具调用。
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
modelcontextprotocoljava-sdk < 1.0.0 -
II. Public POCs for CVE-2026-35568
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III. Intelligence Information for CVE-2026-35568
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IV. Related Vulnerabilities
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