CVE-2026-3345

IBM Langflow Desktop =1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences /../ to view arbitrary files on the system...

CVE-2026-3345

IBM Langflow Desktop API v2 File Upload Endpoint (POST /api/v2/files) is vulnerable to a path traversal due to improper validation/sanitation of user-supplied filenames passed to LocalStorageService, allowing authenticated attackers to write files outside the intended upload directory and potenti...

Security Bulletin: Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint

Summary IBM Langflow Desktop contains a vulnerability in its API v2 file upload functionality where the POST /api/v2/files endpoint fails to validate and sanitize user-supplied filenames before passing them to the LocalStorageService, resulting in a path traversal condition that allows...