๐Ÿ›ก๏ธ CVE-2026-35568
๐ŸŸ  CVSS 8.0 โ€” High โœ… No Known Exploit CWE-346 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE CWE-346
Public Exploit โœ… No
Source NVD
Published 2026-04-07
Updated 2026-06-02
Modified 2026-04-17
Fix URL N/A

Affected Packages

Software From version Fixed in
io.modelcontextprotocol.sdk:mcp-core โ€” 1.0.0
mcp-java-sdk โ€” 1.0.0

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