CVE-2026-41691 — Path Traversal

title: CVE-2026-41691 - i18nextify Path Traversal via lng parameter
id: scw-2026-05-07-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-41691 by injecting path traversal sequences (e.g., '../', '%2F', '\\') into the 'lng' query parameter of a web request. This targets the i18nextify library's vulnerability where it interpolates user-controlled language codes into URL paths without proper sanitization, potentially leading to unauthorized file access.
author: SCW Feed Engine (AI-generated)
date: 2026-05-07
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41691/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
          - '?lng=../'
          - '?lng=..%2F'
          - '?lng=..\\'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse