| id: GO-2026-5706 |
| modules: |
| - module: github.com/googleapis/mcp-toolbox |
| versions: |
| - fixed: 1.4.0 |
| vulnerable_at: 1.3.0 |
| summary: |- |
| googleapis/mcp-toolbox: authentication bypass vulnerability in the generic |
| opaque token validation path (validateOpaqueToken) in github.com/googleapis/mcp-toolbox |
| cves: |
| - CVE-2026-11718 |
| ghsas: |
| - GHSA-wcpr-6g7x-p44r |
| references: |
| - advisory: https://github.com/advisories/GHSA-wcpr-6g7x-p44r |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-11718 |
| - fix: https://github.com/googleapis/mcp-toolbox/pull/3360 |
| source: |
| id: GHSA-wcpr-6g7x-p44r |
| created: 2026-06-25T15:40:00.426368559-04:00 |
| review_status: UNREVIEWED |
