Directory Traversal in IBM Langflow Desktop

Publication date: 2026-04-30

Last updated on: 2026-05-11

Assigner: IBM Corporation

Description

IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-04-30

Last Modified

2026-05-11

Generated

2026-07-06

AI Q&A

2026-05-01

EPSS Evaluated

2026-07-05

NVD

CVE-2026-4502

Affected Vendors & Products

Vendor	Product	Version / Range
langflow	langflow_desktop	From 1.2.0 (inc) to 1.8.4 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product 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 product 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.

Attack-Flow Graph

Executive Summary

This vulnerability affects IBM Langflow Desktop versions 1.2.0 through 1.8.4. It allows an authenticated attacker to perform directory traversal on the system by sending a specially crafted URL request containing "dot dot" sequences (/../). This can enable the attacker to write arbitrary files on the system.

Impact Analysis

The vulnerability can impact you by allowing an authenticated attacker to write arbitrary files on your system. This could lead to unauthorized modification of files, potential disruption of system operations, or further exploitation depending on what files are overwritten.

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