# io.modelcontextprotocol.sdk:mcp-core (Maven) vulnerabilities

2 known vulnerabilities (1 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Dependents: 5
- Registry: https://central.sonatype.com/artifact/io.modelcontextprotocol.sdk/mcp-core

## Advisories (2)

### [CVE-2026-35568](https://cve.now/CVE-2026-35568): MCP Java-SDK has a DNS Rebinding Vulnerability

- Severity: High 7.6
- Published: Apr 7, 2026
- Affected: fixed in 1.0.0.

### [CVE-2026-34237](https://cve.now/CVE-2026-34237): MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: \*)

- Severity: Medium 6.1
- Published: Mar 31, 2026
- Affected: from 1.0.0, fixed in 1.0.1; from 1.1.0, fixed in 1.1.1; fixed in 0.18.3.

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