{"schema_version":1,"title":"Knowns-Dev Knowns vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 18 vulnerabilities in Knowns-Dev Knowns: 0 in the last 7 days and 18 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, Knowns header injection in API endpoint allows arbitrary filesystem access, was published on 10 September 2026.","url":"https://junglewise.ai/threats/technologies/knowns","json_url":"https://junglewise.ai/threats/technologies/knowns.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/knowns","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":10,"all_time":18,"critical":4,"exploited":0,"last_7_days":0,"last_30_days":16,"last_90_days":18,"last_365_days":18},"latest":[{"cvss":9.8,"slug":"knowns-header-injection-in-api-endpoint-allows-arbitrary-filesystem-688e00ce","title":"Knowns header injection in API endpoint allows arbitrary filesystem access","severity":"critical","exploited":false,"published_at":"2026-09-10T18:31:45+00:00","url":"https://junglewise.ai/threats/knowns-header-injection-in-api-endpoint-allows-arbitrary-filesystem-688e00ce"},{"cve":"CVE-2026-88940","cvss":5.3,"epss":0.0056,"slug":"cve-2026-88940-knowns-path-traversal-in-workspace-browse-endpoint","title":"Knowns path traversal in workspace browse endpoint","severity":"medium","exploited":false,"published_at":"2026-09-10T16:18:12.71+00:00","url":"https://junglewise.ai/threats/cve-2026-88940-knowns-path-traversal-in-workspace-browse-endpoint"},{"cve":"CVE-2026-88939","cvss":8.3,"epss":0.0048,"slug":"cve-2026-88939-knowns-project-set-privilege-escalation-via-permission-bypass","title":"Knowns project.set privilege escalation via permission bypass","severity":"high","exploited":false,"published_at":"2026-09-10T16:18:12.577+00:00","url":"https://junglewise.ai/threats/cve-2026-88939-knowns-project-set-privilege-escalation-via-permission-bypass"},{"cve":"CVE-2026-88938","cvss":6.5,"epss":0.0048,"slug":"cve-2026-88938-knowns-path-traversal-in-code-find-mcp-tool","title":"knowns path traversal in code.find MCP tool","severity":"medium","exploited":false,"published_at":"2026-09-10T16:18:12.43+00:00","url":"https://junglewise.ai/threats/cve-2026-88938-knowns-path-traversal-in-code-find-mcp-tool"},{"cve":"CVE-2026-88937","cvss":8.8,"epss":0.0065,"slug":"cve-2026-88937-knowns-path-traversal-in-code-generation-template-engine","title":"knowns path traversal in code generation template engine","severity":"high","exploited":false,"published_at":"2026-09-10T16:18:12.273+00:00","url":"https://junglewise.ai/threats/cve-2026-88937-knowns-path-traversal-in-code-generation-template-engine"},{"cve":"CVE-2026-88899","cvss":9.8,"epss":0.0081,"slug":"cve-2026-88899-knowns-path-traversal-in-api-opencode-proxy-endpoint","title":"Knowns path traversal in /api/opencode proxy endpoint","severity":"critical","exploited":false,"published_at":"2026-09-10T16:18:12.12+00:00","url":"https://junglewise.ai/threats/cve-2026-88899-knowns-path-traversal-in-api-opencode-proxy-endpoint"},{"cve":"CVE-2026-86775","cvss":8.6,"epss":0.0075,"slug":"cve-2026-86775-knowns-path-traversal-in-document-api","title":"knowns path traversal in Document API","severity":"high","exploited":false,"published_at":"2026-09-09T14:17:28.533+00:00","url":"https://junglewise.ai/threats/cve-2026-86775-knowns-path-traversal-in-document-api"},{"cvss":8.8,"slug":"knowns-path-traversal-in-mcp-tools-d0d52c05","title":"knowns path traversal in MCP tools","severity":"high","exploited":false,"published_at":"2026-09-08T00:30:22+00:00","url":"https://junglewise.ai/threats/knowns-path-traversal-in-mcp-tools-d0d52c05"},{"cve":"CVE-2026-86544","cvss":8.1,"epss":0.0059,"slug":"cve-2026-86544-knowns-authorization-bypass-via-code-replace-mutation","title":"Knowns authorization bypass via code.replace mutation","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:54.303+00:00","url":"https://junglewise.ai/threats/cve-2026-86544-knowns-authorization-bypass-via-code-replace-mutation"},{"cve":"CVE-2026-86543","cvss":9.8,"epss":0.0086,"slug":"cve-2026-86543-knowns-management-api-authentication-bypass","title":"knowns management API authentication bypass","severity":"critical","exploited":false,"published_at":"2026-09-07T23:16:54.16+00:00","url":"https://junglewise.ai/threats/cve-2026-86543-knowns-management-api-authentication-bypass"},{"cve":"CVE-2026-86542","cvss":9.1,"epss":0.0074,"slug":"cve-2026-86542-knowns-path-traversal-in-import-routes","title":"knowns path traversal in import routes","severity":"critical","exploited":false,"published_at":"2026-09-07T23:16:54.02+00:00","url":"https://junglewise.ai/threats/cve-2026-86542-knowns-path-traversal-in-import-routes"},{"cve":"CVE-2026-86541","cvss":8.3,"epss":0.0077,"slug":"cve-2026-86541-knowns-path-traversal-in-handlecodereplace-function","title":"Knowns path traversal in handleCodeReplace function","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.863+00:00","url":"https://junglewise.ai/threats/cve-2026-86541-knowns-path-traversal-in-handlecodereplace-function"},{"cve":"CVE-2026-86540","cvss":7.8,"epss":0.0021,"slug":"cve-2026-86540-knowns-arbitrary-binary-execution-via-unvalidated-lsp-settings","title":"knowns arbitrary binary execution via unvalidated LSP settings","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.723+00:00","url":"https://junglewise.ai/threats/cve-2026-86540-knowns-arbitrary-binary-execution-via-unvalidated-lsp-settings"},{"cve":"CVE-2026-86539","cvss":7.2,"epss":0.0035,"slug":"cve-2026-86539-knowns-server-side-request-forgery-in-embedding-model-test","title":"knowns server-side request forgery in embedding model test endpoint","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.583+00:00","url":"https://junglewise.ai/threats/cve-2026-86539-knowns-server-side-request-forgery-in-embedding-model-test"},{"cve":"CVE-2026-86538","cvss":7.5,"epss":0.0098,"slug":"cve-2026-86538-knowns-path-traversal-in-post-api-templates-preview","title":"knowns path traversal in POST /api/templates/preview","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.443+00:00","url":"https://junglewise.ai/threats/cve-2026-86538-knowns-path-traversal-in-post-api-templates-preview"},{"cve":"CVE-2026-86439","cvss":8.8,"epss":0.0108,"slug":"cve-2026-86439-knowns-directory-traversal-in-mcp-tool-path-arguments","title":"knowns directory traversal in MCP tool path arguments","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.297+00:00","url":"https://junglewise.ai/threats/cve-2026-86439-knowns-directory-traversal-in-mcp-tool-path-arguments"},{"cve":"CVE-2026-30633","cvss":5.3,"slug":"cve-2026-30633-knowns-dev-knowns-directory-traversal-in-get-doc-and-update-doc","title":"knowns-dev knowns directory traversal in get_doc and update_doc tools","severity":"info","exploited":false,"published_at":"2026-07-21T21:16:49.493+00:00","url":"https://junglewise.ai/threats/cve-2026-30633-knowns-dev-knowns-directory-traversal-in-get-doc-and-update-doc"},{"cve":"CVE-2026-30632","cvss":5.3,"slug":"cve-2026-30632-knowns-dev-knowns-directory-traversal-in-create-doc-tool","title":"knowns-dev knowns directory traversal in create_doc tool","severity":"info","exploited":false,"published_at":"2026-07-21T20:17:00.47+00:00","url":"https://junglewise.ai/threats/cve-2026-30632-knowns-dev-knowns-directory-traversal-in-create-doc-tool"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"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":2},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"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":4,"exploited":0,"vulnerabilities":16},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Knowns-Dev Knowns","slug":"knowns","vendor":{"name":"Knowns-Dev","slug":"knowns-dev","url":"https://junglewise.ai/threats/vendors/knowns-dev"},"aliases":[],"category":"library","homepage":"https://www.npmjs.com/package/knowns","repo_url":"https://github.com/knowns-dev/knowns","description":"A Node.js library for checking if a value is a known constant or type.","url":"https://junglewise.ai/threats/technologies/knowns"},"most_severe":[{"cve":"CVE-2026-86543","cvss":9.8,"epss":0.0086,"slug":"cve-2026-86543-knowns-management-api-authentication-bypass","title":"knowns management API authentication bypass","severity":"critical","exploited":false,"published_at":"2026-09-07T23:16:54.16+00:00","url":"https://junglewise.ai/threats/cve-2026-86543-knowns-management-api-authentication-bypass"},{"cve":"CVE-2026-88899","cvss":9.8,"epss":0.0081,"slug":"cve-2026-88899-knowns-path-traversal-in-api-opencode-proxy-endpoint","title":"Knowns path traversal in /api/opencode proxy endpoint","severity":"critical","exploited":false,"published_at":"2026-09-10T16:18:12.12+00:00","url":"https://junglewise.ai/threats/cve-2026-88899-knowns-path-traversal-in-api-opencode-proxy-endpoint"},{"cvss":9.8,"slug":"knowns-header-injection-in-api-endpoint-allows-arbitrary-filesystem-688e00ce","title":"Knowns header injection in API endpoint allows arbitrary filesystem access","severity":"critical","exploited":false,"published_at":"2026-09-10T18:31:45+00:00","url":"https://junglewise.ai/threats/knowns-header-injection-in-api-endpoint-allows-arbitrary-filesystem-688e00ce"},{"cve":"CVE-2026-86542","cvss":9.1,"epss":0.0074,"slug":"cve-2026-86542-knowns-path-traversal-in-import-routes","title":"knowns path traversal in import routes","severity":"critical","exploited":false,"published_at":"2026-09-07T23:16:54.02+00:00","url":"https://junglewise.ai/threats/cve-2026-86542-knowns-path-traversal-in-import-routes"},{"cve":"CVE-2026-86439","cvss":8.8,"epss":0.0108,"slug":"cve-2026-86439-knowns-directory-traversal-in-mcp-tool-path-arguments","title":"knowns directory traversal in MCP tool path arguments","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.297+00:00","url":"https://junglewise.ai/threats/cve-2026-86439-knowns-directory-traversal-in-mcp-tool-path-arguments"},{"cve":"CVE-2026-88937","cvss":8.8,"epss":0.0065,"slug":"cve-2026-88937-knowns-path-traversal-in-code-generation-template-engine","title":"knowns path traversal in code generation template engine","severity":"high","exploited":false,"published_at":"2026-09-10T16:18:12.273+00:00","url":"https://junglewise.ai/threats/cve-2026-88937-knowns-path-traversal-in-code-generation-template-engine"},{"cvss":8.8,"slug":"knowns-path-traversal-in-mcp-tools-d0d52c05","title":"knowns path traversal in MCP tools","severity":"high","exploited":false,"published_at":"2026-09-08T00:30:22+00:00","url":"https://junglewise.ai/threats/knowns-path-traversal-in-mcp-tools-d0d52c05"},{"cve":"CVE-2026-86775","cvss":8.6,"epss":0.0075,"slug":"cve-2026-86775-knowns-path-traversal-in-document-api","title":"knowns path traversal in Document API","severity":"high","exploited":false,"published_at":"2026-09-09T14:17:28.533+00:00","url":"https://junglewise.ai/threats/cve-2026-86775-knowns-path-traversal-in-document-api"},{"cve":"CVE-2026-86541","cvss":8.3,"epss":0.0077,"slug":"cve-2026-86541-knowns-path-traversal-in-handlecodereplace-function","title":"Knowns path traversal in handleCodeReplace function","severity":"high","exploited":false,"published_at":"2026-09-07T23:16:53.863+00:00","url":"https://junglewise.ai/threats/cve-2026-86541-knowns-path-traversal-in-handlecodereplace-function"},{"cve":"CVE-2026-88939","cvss":8.3,"epss":0.0048,"slug":"cve-2026-88939-knowns-project-set-privilege-escalation-via-permission-bypass","title":"Knowns project.set privilege escalation via permission bypass","severity":"high","exploited":false,"published_at":"2026-09-10T16:18:12.577+00:00","url":"https://junglewise.ai/threats/cve-2026-88939-knowns-project-set-privilege-escalation-via-permission-bypass"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}