{"schema_version":1,"title":"Google MCP Toolbox vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Google MCP Toolbox: 0 in the last 7 days and 6 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-14541, was published on 31 July 2026.","url":"https://junglewise.ai/threats/technologies/mcp-toolbox","json_url":"https://junglewise.ai/threats/technologies/mcp-toolbox.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/mcp-toolbox","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":8,"critical":3,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":6,"last_365_days":8},"latest":[{"cve":"CVE-2026-14541","cvss":8,"slug":"cve-2026-14541-google-mcp-toolbox-authentication-bypass-in-google-oauth-provider","title":"Google mcp-toolbox authentication bypass in Google OAuth provider","severity":"info","exploited":false,"published_at":"2026-07-31T03:16:24.17+00:00","url":"https://junglewise.ai/threats/cve-2026-14541-google-mcp-toolbox-authentication-bypass-in-google-oauth-provider"},{"cve":"CVE-2026-14540","cvss":8,"slug":"cve-2026-14540-google-mcp-toolbox-ssrf-in-http-source-component","title":"Google mcp-toolbox SSRF in HTTP source component","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:29.06+00:00","url":"https://junglewise.ai/threats/cve-2026-14540-google-mcp-toolbox-ssrf-in-http-source-component"},{"cve":"CVE-2026-14539","cvss":6.6,"slug":"cve-2026-14539-google-mcp-toolbox-denial-of-service-in-http-handler","title":"Google mcp-toolbox denial of service in HTTP handler","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:28.92+00:00","url":"https://junglewise.ai/threats/cve-2026-14539-google-mcp-toolbox-denial-of-service-in-http-handler"},{"cve":"CVE-2026-14538","cvss":5.7,"slug":"cve-2026-14538-google-mcp-toolbox-auth-bypass-in-bigquery-execute-sql","title":"Google mcp-toolbox auth bypass in bigquery-execute-sql","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:28.757+00:00","url":"https://junglewise.ai/threats/cve-2026-14538-google-mcp-toolbox-auth-bypass-in-bigquery-execute-sql"},{"cve":"CVE-2026-14537","cvss":8.1,"slug":"cve-2026-14537-google-mcp-toolbox-authorization-bypass-in-legacy-http-api","title":"Google mcp-toolbox authorization bypass in legacy HTTP API","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:27.687+00:00","url":"https://junglewise.ai/threats/cve-2026-14537-google-mcp-toolbox-authorization-bypass-in-legacy-http-api"},{"cve":"CVE-2026-11720","cvss":9.1,"epss":0.0053,"slug":"cve-2026-11720-google-mcp-toolbox-path-traversal-in-http-tool-url-builder","title":"Google MCP Toolbox path traversal in HTTP tool URL builder","severity":"critical","exploited":false,"published_at":"2026-06-29T18:16:36.173+00:00","url":"https://junglewise.ai/threats/cve-2026-11720-google-mcp-toolbox-path-traversal-in-http-tool-url-builder"},{"cve":"CVE-2026-11718","cvss":4,"epss":0.0019,"slug":"cve-2026-11718-google-mcp-toolbox-authentication-bypass-in-validateopaquetoken","title":"Google MCP Toolbox authentication bypass in validateOpaqueToken","severity":"critical","exploited":false,"published_at":"2026-06-18T14:17:20.19+00:00","url":"https://junglewise.ai/threats/cve-2026-11718-google-mcp-toolbox-authentication-bypass-in-validateopaquetoken"},{"cve":"CVE-2026-9739","cvss":4,"epss":0.0024,"slug":"cve-2026-9739-google-mcp-toolbox-cors-bypass-in-sse-handler","title":"Google MCP Toolbox CORS bypass in SSE handler","severity":"critical","exploited":false,"published_at":"2026-05-27T23:16:48.573+00:00","url":"https://junglewise.ai/threats/cve-2026-9739-google-mcp-toolbox-cors-bypass-in-sse-handler"}],"weekly":[{"week":"2026-06-29","critical":1,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":5},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Google Chrome","slug":"chrome","vulnerabilities":2529,"url":"https://junglewise.ai/threats/technologies/chrome"},{"name":"Google Android","slug":"android","vulnerabilities":356,"url":"https://junglewise.ai/threats/technologies/android"},{"name":"Google Chrome for iOS","slug":"chrome-for-ios","vulnerabilities":79,"url":"https://junglewise.ai/threats/technologies/chrome-for-ios"},{"name":"Google Chromium V8","slug":"chromium-v8","vulnerabilities":41,"url":"https://junglewise.ai/threats/technologies/chromium-v8"},{"name":"Google Chromium","slug":"chromium","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/chromium"},{"name":"Google TensorFlow","slug":"tensorflow","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/tensorflow"},{"name":"Google Cloud Platform","slug":"google-cloud-platform","vulnerabilities":29,"url":"https://junglewise.ai/threats/technologies/google-cloud-platform"},{"name":"Google Android Framework","slug":"android-framework","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/android-framework"},{"name":"Google Chrome for Android","slug":"chrome-for-android","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/chrome-for-android"},{"name":"Google ChromeOS","slug":"chromeos","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/chromeos"},{"name":"Google Pixel Bootloader","slug":"pixel-bootloader","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/pixel-bootloader"},{"name":"Google WebView","slug":"webview","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/webview"}],"technology":{"hub":true,"name":"Google MCP Toolbox","slug":"mcp-toolbox","vendor":{"name":"Google","slug":"google","url":"https://junglewise.ai/threats/vendors/google"},"aliases":[],"category":"library","url":"https://junglewise.ai/threats/technologies/mcp-toolbox"},"most_severe":[{"cve":"CVE-2026-11720","cvss":9.1,"epss":0.0053,"slug":"cve-2026-11720-google-mcp-toolbox-path-traversal-in-http-tool-url-builder","title":"Google MCP Toolbox path traversal in HTTP tool URL builder","severity":"critical","exploited":false,"published_at":"2026-06-29T18:16:36.173+00:00","url":"https://junglewise.ai/threats/cve-2026-11720-google-mcp-toolbox-path-traversal-in-http-tool-url-builder"},{"cve":"CVE-2026-9739","cvss":4,"epss":0.0024,"slug":"cve-2026-9739-google-mcp-toolbox-cors-bypass-in-sse-handler","title":"Google MCP Toolbox CORS bypass in SSE handler","severity":"critical","exploited":false,"published_at":"2026-05-27T23:16:48.573+00:00","url":"https://junglewise.ai/threats/cve-2026-9739-google-mcp-toolbox-cors-bypass-in-sse-handler"},{"cve":"CVE-2026-11718","cvss":4,"epss":0.0019,"slug":"cve-2026-11718-google-mcp-toolbox-authentication-bypass-in-validateopaquetoken","title":"Google MCP Toolbox authentication bypass in validateOpaqueToken","severity":"critical","exploited":false,"published_at":"2026-06-18T14:17:20.19+00:00","url":"https://junglewise.ai/threats/cve-2026-11718-google-mcp-toolbox-authentication-bypass-in-validateopaquetoken"},{"cve":"CVE-2026-14537","cvss":8.1,"slug":"cve-2026-14537-google-mcp-toolbox-authorization-bypass-in-legacy-http-api","title":"Google mcp-toolbox authorization bypass in legacy HTTP API","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:27.687+00:00","url":"https://junglewise.ai/threats/cve-2026-14537-google-mcp-toolbox-authorization-bypass-in-legacy-http-api"},{"cve":"CVE-2026-14541","cvss":8,"slug":"cve-2026-14541-google-mcp-toolbox-authentication-bypass-in-google-oauth-provider","title":"Google mcp-toolbox authentication bypass in Google OAuth provider","severity":"info","exploited":false,"published_at":"2026-07-31T03:16:24.17+00:00","url":"https://junglewise.ai/threats/cve-2026-14541-google-mcp-toolbox-authentication-bypass-in-google-oauth-provider"},{"cve":"CVE-2026-14540","cvss":8,"slug":"cve-2026-14540-google-mcp-toolbox-ssrf-in-http-source-component","title":"Google mcp-toolbox SSRF in HTTP source component","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:29.06+00:00","url":"https://junglewise.ai/threats/cve-2026-14540-google-mcp-toolbox-ssrf-in-http-source-component"},{"cve":"CVE-2026-14539","cvss":6.6,"slug":"cve-2026-14539-google-mcp-toolbox-denial-of-service-in-http-handler","title":"Google mcp-toolbox denial of service in HTTP handler","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:28.92+00:00","url":"https://junglewise.ai/threats/cve-2026-14539-google-mcp-toolbox-denial-of-service-in-http-handler"},{"cve":"CVE-2026-14538","cvss":5.7,"slug":"cve-2026-14538-google-mcp-toolbox-auth-bypass-in-bigquery-execute-sql","title":"Google mcp-toolbox auth bypass in bigquery-execute-sql","severity":"info","exploited":false,"published_at":"2026-07-31T02:16:28.757+00:00","url":"https://junglewise.ai/threats/cve-2026-14538-google-mcp-toolbox-auth-bypass-in-bigquery-execute-sql"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}