Go/github.com/googleapis/mcp-toolbox CVE-2026-11717: critical 9.1, EPSS 0.18%
googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken) in github.com/googleapis/mcp-toolbox
Action: Upgrade github.com/googleapis/mcp-toolbox to 1.4.0 or later.
go get github.com/googleapis/mcp-toolbox@v1.4.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.4.0 | - |
Fixed versions
| 1.4.0 |
Sources
- osv: GO-2026-5251
- nvd: CVE-2026-11717
- https://github.com/advisories/GHSA-8fcc-w5hv-4gxv
- https://github.com/googleapis/mcp-toolbox/pull/3341
CVE-2026-11717 · published · modified · JSON