{"action":"Upgrade github.com/googleapis/mcp-toolbox to 1.3.0 or later.","affected":[{"fixed":"1.3.0","introduced":"0"}],"component":"github.com/googleapis/mcp-toolbox","cve_ids":["CVE-2026-11720"],"ecosystem":"Go","epss":0.00533,"exploited":false,"fixed_versions":["1.3.0"],"ghsa_id":"GHSA-vwxw-jrg6-9jxv","id":"tcs_01M5KFPVC6YSNGW9WZFJD6VD2H","modified_at":"2026-09-10T15:25:39.187280229Z","published_at":"2026-06-29T18:31:55Z","references":["https://osv.dev/vulnerability/GHSA-vwxw-jrg6-9jxv","https://nvd.nist.gov/vuln/detail/CVE-2026-11720","https://github.com/googleapis/mcp-toolbox/pull/3218","https://github.com/googleapis/mcp-toolbox/commit/80a66021205e032a424fff87b3dc6d92da58aa77","https://github.com/googleapis/mcp-toolbox","https://github.com/googleapis/mcp-toolbox/releases/tag/v1.3.0"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-vwxw-jrg6-9jxv","url":"https://osv.dev/vulnerability/GHSA-vwxw-jrg6-9jxv"}],"summary":"MCP Toolbox HTTP tool path parameters allow traversal to unintended endpoints"}