CVE-2026-35568

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Source

https://cve.org/CVERecord?id=CVE-2026-35568

Import Source

https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-35568.json

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-35568

Aliases

GHSA-8jxr-pr72-r468

Published

2026-04-07T21:06:10.438Z

Modified

2026-04-08T12:11:16.491029Z

Severity

7.6 (High) CVSS_V4 - 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 CVSS Calculator

Summary

MCP Java-SDK has a DNS Rebinding Vulnerability

Details

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35568.json",
    "cwe_ids": [
        "CWE-346"
    ],
    "cna_assigner": "GitHub_M"
}

References

Affected packages

Git / github.com/modelcontextprotocol/java-sdk

Affected ranges

Type

GIT

Repo

https://github.com/modelcontextprotocol/java-sdk

Events

Introduced

Fixed

3c87155b9ac11ab3f72dfc01d2238510537de69a

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.0.0"
        }
    ]
}

Affected versions

v0.*

v0.1.0

v0.3.0

v0.3.1

v0.4.0

v0.4.1

v0.4.2

v0.5.0

v0.6.0

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-35568.json"