High 7.6Published Apr 7, 2026

CVE-2026-35568MCP Java-SDK has a DNS Rebinding Vulnerability

Updated under an hour ago (Oct 26, 2026, 4:20 AM ET)

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It affects modelcontextprotocol java-sdk and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for modelcontextprotocol java-sdk

Exploited in the last 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.

CVSS: 7.6 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-346
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

modelcontextprotocol java-sdk modelcontextprotocol:java_sdk (from the name)	before 1.0.0	CNA record
lfprojects mcp_java_sdk lfprojects:mcp_java_sdk	before 1.0.0	NVD

References

https://github.com/modelcontextprotocol/java-sdk/security/advisories/GHSA-8jxr-pr72-r468x-refsource-confirm, vendor-advisory
https://github.com/modelcontextprotocol/java-sdk/releases/tag/v1.0.0x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.