Go/github.com/googleapis/mcp-toolbox CVE-2026-11718: critical 9.1, EPSS 0.18%
googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken)
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: GHSA-wcpr-6g7x-p44r
- nvd: CVE-2026-11718
- https://github.com/googleapis/mcp-toolbox/pull/3360
- https://github.com/googleapis/mcp-toolbox
CVE-2026-11718 · published · modified · JSON