CVE-2026-7787 Unauthenticated Session History Access via Public Flow Execution

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references...

CVE-2026-7787: Authorization Bypass Through User-Controlled Key

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references...

Security Bulletin: Langflow OSS affected by vulnerabilies in Axios versions prior to 1.15.0

Summary Langflow OSS affected by vulnerabilies in Axios versions prior to 1.15.0 Vulnerability Details CVEID:CVE-2026-40175 DESCRIPTION: Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in...

Security Bulletin: Langflow OSS affected by vulnerabilies in Lodash versions 4.17.23 and earlier

Summary Langflow OSS affected by vulnerabilies in Lodash versions 4.17.23 and earlier Vulnerability Details CVEID:CVE-2026-2950 DESCRIPTION: Impact: Lodash versions 4.17.23 and earlier are vulnerable to prototype pollution in the .unset and .omit functions. The fix for CVE-2025-13465:...

IBM Langflow OSS file processing component path traversal vulnerability

IBM Langflow OSS is an open-source low-code tool primarily used for building and deploying applications based on Large Language Models LLMs. IBM Langflow OSS has a path traversal vulnerability. This vulnerability stems from the failure to properly validate symbolic links during the decompression ...

CVE-2026-7528

IBM Langflow OSS versions 1.0.0–1.9.0 are vulnerable to an unauthenticated file upload that allows unlimited uploads via the deprecated /api/v1/upload/{flow_id} endpoint, enabling DoS through uncontrolled resource consumption and potential absolute path disclosure in API responses. The root cause...

EUVD-2026-32494

IBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction...

CVE-2026-7528: Uncontrolled Resource Consumption

IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption...

CVE-2026-7524: Improper Limitation of a Pathname to a Restricted Directory

IBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction...

CVE-2026-6542 Monitor API allows cross-user read of transaction logs and deletion of build data via flow_id

IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flowid to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow...

CVE-2026-6542 Monitor API allows cross-user read of transaction logs and deletion of build data via flow_id

IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flowid to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow...

CVE-2026-6542: Authorization Bypass Through User-Controlled Key

IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flowid to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow...

Security Bulletin: Monitor API allows cross-user read of transaction logs and deletion of build data via flow_id

Summary Langflow OSS is affected by an insecure direct object reference vulnerability in its Monitor API due to missing authorization checks. Although these endpoints require authentication, they fail to verify ownership of the provided flowid, allowing any authenticated user to access or...