CVE-2026-35568: Lfprojects Mcp Java SDK

Medium severity, CVSS 5.7. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Lfprojects Mcp Java SDK: before 1.0.0 (fixed in 1.0.0)

Published 2026-04-07. Last modified 2026-07-24.