CVE-2026-35568

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Source
https://cve.org/CVERecord?id=CVE-2026-35568
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35568.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-35568
Aliases
Related
Published
2026-04-07T21:06:10.438Z
Modified
2026-07-08T08:12:58.372485824Z
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",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-346"
    ]
}
References

Affected packages

Git / github.com/modelcontextprotocol/java-sdk

Affected ranges

Type
GIT
Repo
https://github.com/modelcontextprotocol/java-sdk
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3c87155b9ac11ab3f72dfc01d2238510537de69a
Database specific 
{
    "cpe": "cpe:2.3:a:lfprojects:mcp_java_sdk:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.0.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE",
        "REFERENCES"
    ]
}

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/cve-osv-conversion/osv-output/CVE-2026-35568.json"