CVE-2026-3345CWE-22

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

Medium · published April 30, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
45.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00561 · 45.9th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-04-30T21:11Z
EPSS history
Timeline
  • 30 APR 21:11Z
    Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint
    cvelistv5