{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105698", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-05T17:48:58.627Z", "datePublished": "2026-10-05T20:20:27.287Z", "dateUpdated": "2026-10-05T20:20:27.287Z"}, "containers": {"cna": {"title": "Langflow: Cross-user flow access and vertex execution via deprecated /api/v1/build/{flow_id}/vertices endpoints", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-gh98-4phw-6fmw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-gh98-4phw-6fmw"}, {"name": "https://github.com/langflow-ai/langflow/pull/13153", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/pull/13153"}, {"name": "https://github.com/langflow-ai/langflow/commit/fb3d6ec90b1e4d52eaa40915a64b1f86b6542f55", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/commit/fb3d6ec90b1e4d52eaa40915a64b1f86b6542f55"}, {"name": "https://github.com/langflow-ai/langflow/releases/tag/v1.10.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/langflow-ai/langflow/releases/tag/v1.10.1"}], "affected": [{"vendor": "langflow-ai", "product": "langflow", "versions": [{"version": ">= 1.0.0, < 1.10.1", "status": "affected"}]}, {"vendor": "langflow-ai", "product": "langflow-base", "versions": [{"version": "< 0.10.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-05T20:20:27.287Z"}, "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.0.0 until 1.10.1, Langflow did not verify flow ownership in the deprecated POST /api/v1/build/{flow_id}/vertices and POST /api/v1/build/{flow_id}/vertices/{vertex_id} handlers. Through version 1.7.1, an unauthenticated caller who knew another user's flow UUID could reach these handlers; from version 1.7.2 through 1.10.0, callers had to authenticate but needed no elevated privileges. Such a caller could cause retrieve_vertices_order to load and cache the private graph, enumerate its vertex identifiers, and use build_vertex to execute selected vertices and receive their results. build_graph_from_db_no_cache performed a primary-key lookup without an owner filter. This could disclose private flow structure, configured values, and selected outputs and could trigger victim-configured side effects and build-history records, although it did not expose the victim's variable-store credentials or permit modification of the stored flow. This issue is fixed in Langflow 1.10.1 and langflow-base 0.10.1."}], "source": {"advisory": "GHSA-gh98-4phw-6fmw", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "langflow", "vendor": "langflow-ai", "versions": [{"status": "affected", "version": ">= 1.0.0, < 1.10.1"}]}, {"product": "langflow-base", "vendor": "langflow-ai", "versions": [{"status": "affected", "version": "< 0.10.1"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.0.0 until 1.10.1, Langflow did not verify flow ownership in the deprecated POST /api/v1/build/{flow_id}/vertices and POST /api/v1/build/{flow_id}/vertices/{vertex_id} handlers. Through version 1.7.1, an unauthenticated caller who knew another user's flow UUID could reach these handlers; from version 1.7.2 through 1.10.0, callers had to authenticate but needed no elevated privileges. Such a caller could cause retrieve_vertices_order to load and cache the private graph, enumerate its vertex identifiers, and use build_vertex to execute selected vertices and receive their results. build_graph_from_db_no_cache performed a primary-key lookup without an owner filter. This could disclose private flow structure, configured values, and selected outputs and could trigger victim-configured side effects and build-history records, although it did not expose the victim's variable-store credentials or permit modification of the stored flow. This issue is fixed in Langflow 1.10.1 and langflow-base 0.10.1."}], "id": "CVE-2026-105698", "lastModified": "2026-10-05T21:16:35.257", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-05T21:16:35.257", "references": [{"source": "[email protected]", "url": "https://github.com/langflow-ai/langflow/commit/fb3d6ec90b1e4d52eaa40915a64b1f86b6542f55"}, {"source": "[email protected]", "url": "https://github.com/langflow-ai/langflow/pull/13153"}, {"source": "[email protected]", "url": "https://github.com/langflow-ai/langflow/releases/tag/v1.10.1"}, {"source": "[email protected]", "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-gh98-4phw-6fmw"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}], "source": "[email protected]", "type": "Primary"}]}

{}

{}