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IBM Langflow DesktopArbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API

Risk 38
Severity
6.5
Path Traversal
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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.

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Source: MITRE

Remedy

IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer https://www.langflow.org/blog/langflow-1-9-desktop If you are already using Langflow Desktop, upgrade in the application to version 1.9.0 To install Langflow Desktop for the first time, visit  Langflow Desktop https://langflow.org/desktop . Download https://langflow.org/desktop
First published (updated )
CVE-2026-4502

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