Is CVE-2026-35568 actively exploited?

CVE-2026-35568 has no public evidence of in-the-wild exploitation as of 2026-04-14.

What is the CVSS score for CVE-2026-35568?

CVE-2026-35568 has a CVSS score of 7.6 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2026-35568?

Patch guidance is available from lfprojects security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-35568.

Which products are affected by CVE-2026-35568?

1 product: lfprojects mcp java sdk.

Fix CVE-2026-35568 - HIGH lfprojects mcp java sdk

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.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-346

Metadata

Primary Vendor: LFPROJECTS
Published: 4/7/2026
Last Modified: 4/14/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-35568

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary