{"id":"CVE-2026-7755","aliases":["EUVD-2026-45285","GHSA-m94m-8f9x-f6r4"],"status":"published","title":"MCP Server Configuration Validator Bypass via File Upload API","description":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00746,"percentile":0.5517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-07-17T19:18:26Z","modified":"2026-10-24T20:10:00Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7278932","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7755"},{"url":"https://github.com/advisories/GHSA-m94m-8f9x-f6r4"}],"sources":{"cve":[{"id":"CVE-2026-7755","title":"MCP Server Configuration Validator Bypass via File Upload API","description":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.","status":"published","published":"2026-07-17T19:18:26.904Z","modified":"2026-07-23T03:56:09.818Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:06.216584Z"}],"euvd":[{"id":"EUVD-2026-45285","description":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.","status":"published","published":"2026-07-17T19:18:26Z","modified":"2026-07-23T03:56:09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:19:44.433437Z"}],"ghsa":[{"id":"GHSA-m94m-8f9x-f6r4","title":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to...","description":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.","status":"published","published":"2026-07-17T21:31:45Z","modified":"2026-07-21T18:31:55Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:09:38.133598Z"}],"nvd":[{"id":"CVE-2026-7755","description":"IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.","status":"published","published":"2026-07-17T20:17:30.137Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:30.631352Z"}]}}