{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105740", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-05T19:11:07.946Z", "datePublished": "2026-10-05T20:46:18.854Z", "dateUpdated": "2026-10-06T18:20:28.495Z"}, "containers": {"cna": {"title": "Langflow: Authenticated RCE via MCP Stdio transport allows any user to execute arbitrary OS commands on the server", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2"}, {"name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45"}, {"name": "https://github.com/langflow-ai/langflow/pull/12290", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/pull/12290"}, {"name": "https://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0"}], "affected": [{"vendor": "langflow-ai", "product": "langflow", "versions": [{"version": "< 1.9.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-05T20:46:18.854Z"}, "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, any authenticated Langflow user can achieve Remote Code Execution (RCE) on the server by adding an MCP server with the \"Stdio\" transport. The user-supplied command field is passed directly to bash -c \"exec {command}\" with zero validation, no allowlisting, and no sandboxing. The command executes immediately when the server list is fetched. Additionally, the env field allows arbitrary environment variable injection (e.g., LD_PRELOAD, PATH override). This vulnerability is fixed in 1.9.0."}], "source": {"advisory": "GHSA-7w94-79vh-5mr2", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2", "tags": ["exploit"]}, {"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T18:20:20.481095Z", "id": "CVE-2026-105740", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T18:20:28.495Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-105740", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-06T18:20:20.481095Z"}}}], "references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2", "tags": ["exploit"]}, {"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T18:20:04.560Z"}}], "cna": {"title": "Langflow: Authenticated RCE via MCP Stdio transport allows any user to execute arbitrary OS commands on the server", "source": {"advisory": "GHSA-7w94-79vh-5mr2", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "langflow-ai", "product": "langflow", "versions": [{"status": "affected", "version": "< 1.9.0"}]}], "references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2", "name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45", "name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/langflow-ai/langflow/pull/12290", "name": "https://github.com/langflow-ai/langflow/pull/12290", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0", "name": "https://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, any authenticated Langflow user can achieve Remote Code Execution (RCE) on the server by adding an MCP server with the \"Stdio\" transport. The user-supplied command field is passed directly to bash -c \"exec {command}\" with zero validation, no allowlisting, and no sandboxing. The command executes immediately when the server list is fetched. Additionally, the env field allows arbitrary environment variable injection (e.g., LD_PRELOAD, PATH override). This vulnerability is fixed in 1.9.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-05T20:46:18.854Z"}}}, "cveMetadata": {"cveId": "CVE-2026-105740", "state": "PUBLISHED", "dateUpdated": "2026-10-06T18:20:28.495Z", "dateReserved": "2026-10-05T19:11:07.946Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-05T20:46:18.854Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "langflow", "vendor": "langflow-ai", "versions": [{"status": "affected", "version": "< 1.9.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, any authenticated Langflow user can achieve Remote Code Execution (RCE) on the server by adding an MCP server with the \"Stdio\" transport. The user-supplied command field is passed directly to bash -c \"exec {command}\" with zero validation, no allowlisting, and no sandboxing. The command executes immediately when the server list is fetched. Additionally, the env field allows arbitrary environment variable injection (e.g., LD_PRELOAD, PATH override). This vulnerability is fixed in 1.9.0."}], "id": "CVE-2026-105740", "lastModified": "2026-10-06T19:17:41.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105740", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-06T18:20:20.481095Z", "version": "2.0.3"}}]}, "published": "2026-10-05T21:16:35.567", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0"}, {"source": "security-advisories@github.com", "url": "https://github.com/langflow-ai/langflow/pull/12290"}, {"source": "security-advisories@github.com", "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2"}, {"source": "security-advisories@github.com", "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}