go package report

Is github.com/modelcontextprotocol/go-sdk safe?

4 known vulnerabilities, worst severity HIGH.

cvss
8.0

how bad it is if exploited, out of 10

epss
0.50%

chance of exploitation in the next 30 days

xyz score
3.6

CyberXYZ composite, out of 10

fig. 01 — GHSA-xw59-hvm2-8pj6, the advisory selected below

// advisories

GHSA-xw59-hvm2-8pj6

HIGHCVE-2026-34742

The Model Context Protocol (MCP) Go SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication with StreamableHTTPHandler or SSEHandler, a malicious website could exploit DNS rebinding to bypass same-origin policy restrictions and send requests to the local MCP server. This could allow an attacker to invo

Affected
< 1.4.0
Fixed in
1.4.0
Weakness
CWE-1188
Published
2026-04-01
Source
github

GHSANVDMITREreferencereferencereferencereferencereferencereferencereferencereference

// dependencies

0 direct

Sign in for dependency paths and remediation

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so go packages are not covered.

Checked 2026-09-22 at 01:32 UTC. The most recent advisory here was published 2026-04-01. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is github.com/modelcontextprotocol/go-sdk safe? go package security report | CyberXYZ