{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-10134: Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-10134","status":"final","version":"1","initial_release_date":"2026-06-30T19:56:52.069Z","current_release_date":"2026-06-30T19:56:52.069Z","revision_history":[{"date":"2026-06-30T19:56:52.069Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversation, message, file upload, and saved component in the Langflow database, can connect to internal services, abuse cloud metadata endpoints, laterally move to other tenants on the same Langflow instance, and Establish persistence by modifying the public flow's `tool_code` so normal `/api/v1/build/...` calls by any user re-execute attacker code at each build.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-10134 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-10134"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-10134"},{"category":"external","summary":"ibm.com","url":"https://www.ibm.com/support/pages/node/7277559"}]},"product_tree":{"branches":[{"category":"vendor","name":"IBM","branches":[{"category":"product_name","name":"Langflow OSS","branches":[{"category":"product_version_range","name":">=1.0.0 <=1.9.3","product":{"name":"IBM Langflow OSS >=1.0.0 <=1.9.3","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:ibm:langflow_oss:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-10134","title":"Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows","notes":[{"category":"description","text":"IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversation, message, file upload, and saved component in the Langflow database, can connect to internal services, abuse cloud metadata endpoints, laterally move to other tenants on the same Langflow instance, and Establish persistence by modifying the public flow's `tool_code` so normal `/api/v1/build/...` calls by any user re-execute attacker code at each build.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":10,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}