Directory Traversal in IBM Langflow Desktop 1.8.4 via crafted URL
CVE-2026-3345 Published on April 30, 2026
Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint
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.
Vulnerability Analysis
CVE-2026-3345 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-3345 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-3345
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