CVE-2026-34237

MCP Java SDK

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1.

CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness

• CWE-942

References

• github.comPatch
• github.comPatch
• github.comVendor Advisory

CVE-2026-34237 on NVD

Listed in

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