{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42867", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-30T18:49:06.710Z", "datePublished": "2026-06-23T16:29:11.848Z", "dateUpdated": "2026-06-23T17:02:43.824Z"}, "containers": {"cna": {"title": "Langflow: Path Traversal in Knowledge Bases API via Creation Endpoint", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq"}, {"name": "https://github.com/langflow-ai/langflow/pull/12337", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/pull/12337"}], "affected": [{"vendor": "langflow-ai", "product": "langflow", "versions": [{"version": "< 1.9.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-23T16:29:11.848Z"}, "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, Langflow is vulnerable to Path Traversal in the Knowledge Bases API (POST /api/v1/knowledge_bases). This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker can exploit this flaw to create directories and write files anywhere on the server's filesystem. This vulnerability is fixed in 1.9.0."}], "source": {"advisory": "GHSA-79ph-745m-6wxq", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-23T17:01:29.364041Z", "id": "CVE-2026-42867", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T17:02:43.824Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-42867", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-23T17:01:29.364041Z"}}}], "references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T17:01:48.325Z"}}], "cna": {"title": "Langflow: Path Traversal in Knowledge Bases API via Creation Endpoint", "source": {"advisory": "GHSA-79ph-745m-6wxq", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "langflow-ai", "product": "langflow", "versions": [{"status": "affected", "version": "< 1.9.0"}]}], "references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq", "name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-79ph-745m-6wxq", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/langflow-ai/langflow/pull/12337", "name": "https://github.com/langflow-ai/langflow/pull/12337", "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, Langflow is vulnerable to Path Traversal in the Knowledge Bases API (POST /api/v1/knowledge_bases). This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker can exploit this flaw to create directories and write files anywhere on the server's filesystem. This vulnerability is fixed in 1.9.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-23T16:29:11.848Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42867", "state": "PUBLISHED", "dateUpdated": "2026-06-23T17:02:43.824Z", "dateReserved": "2026-04-30T18:49:06.710Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-23T16:29:11.848Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{"created": "2026-06-23T20:00:07.457377+00:00", "updated": "2026-06-23T20:00:07.457384+00:00", "vendors": []}