CVE-2026-3345 — Arbitrary File Access

title: CVE-2026-3345 - Langflow Arbitrary File Access via Path Traversal
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-3345 in IBM Langflow Desktop <=1.8.4 by looking for the characteristic '/../' path traversal sequences within the URI or URI query parameters. This indicates an attacker is trying to access arbitrary files on the system.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-3345/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/../'
      cs-uri-query|contains:
          - '/../'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse