CVE-2026-3345

MEDIUM

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

Title source: cna

Description

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.

References (1)

[Vendor Advisory] https://www.ibm.com/support/pages/node/7271094

Scores

CVSS v3 6.5

EPSS 0.0005

EPSS Percentile 16.2%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-22

Status published

Products (1)

IBM/Langflow Desktop 1.8.4

Published Apr 30, 2026

Tracked Since May 01, 2026