Go/github.com/modelcontextprotocol/go-sdk CVE-2026-34742: unknown, EPSS 0.46%
DNS Rebinding Protection Disabled by Default in Model Context Protocol Go SDK for Servers Running on Localhost in github.com/modelcontextprotocol/go-sdk
Action: Upgrade github.com/modelcontextprotocol/go-sdk to 1.4.0 or later.
go get github.com/modelcontextprotocol/go-sdk@v1.4.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.4.0 | - |
Fixed versions
| 1.4.0 |
Sources
- osv: GO-2026-5771
- https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-xw59-hvm2-8pj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-34742
- https://github.com/modelcontextprotocol/go-sdk/commit/67bd3f2e2b53ce11a16db8d976cdb8ff1e986b6d
- https://github.com/modelcontextprotocol/go-sdk/pull/760
- https://github.com/modelcontextprotocol/go-sdk/releases/tag/v1.4.0
CVE-2026-34742 · published · modified · JSON