{"cve":{"cve_id":"CVE-2026-105698","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00177,"epss_percentile":0.06797,"epss_as_of":"2026-10-15","description":"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.","published_at":"2026-10-05T20:20:27.287000Z","last_modified_at":"2026-10-06T14:59:48.280000Z","cvss_v3_score":5.4,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-639","CWE-862"],"nvd_references":["https://github.com/langflow-ai/langflow/security/advisories/GHSA-gh98-4phw-6fmw","https://github.com/langflow-ai/langflow/pull/13153","https://github.com/langflow-ai/langflow/commit/fb3d6ec90b1e4d52eaa40915a64b1f86b6542f55","https://github.com/langflow-ai/langflow/releases/tag/v1.10.1"],"vuln_status":"Undergoing Analysis","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-10-05T22:34:34.423313Z","updated_at":"2026-10-06T21:36:59.240731Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"langflow-ai","vendor_name":"langflow-ai","product_slug":"langflow","product_name":"langflow","version_start":">= 1.0.0, < 1.10.1","version_start_inclusive":true,"version_end":">= 1.0.0, < 1.10.1","version_end_inclusive":true,"cpe23_uri":"cve5:langflow-ai:langflow:>= 1.0.0, < 1.10.1:>= 1.0.0, < 1.10.1"},{"vendor_slug":"langflow-ai","vendor_name":"langflow-ai","product_slug":"langflow-base","product_name":"langflow-base","version_start":"< 0.10.1","version_start_inclusive":true,"version_end":"< 0.10.1","version_end_inclusive":true,"cpe23_uri":"cve5:langflow-ai:langflow-base:< 0.10.1:< 0.10.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-gh98-4phw-6fmw","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/langflow-ai/langflow/pull/13153","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/langflow-ai/langflow/commit/fb3d6ec90b1e4d52eaa40915a64b1f86b6542f55","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/langflow-ai/langflow/releases/tag/v1.10.1","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-10-05T20:20:27.287000Z","label":"CVE published","source":null}]}