CVE-2026-44392 — Missing authorization vulnerability exists in Movable Type.

title: CVE-2026-44392 - Movable Type Unauthorized Update Attempt
id: scw-2026-05-20-ai-1
status: experimental
level: high
description: |
  This rule detects attempts to exploit CVE-2026-44392 by identifying requests targeting Movable Type's update preferences functionality ('action=update_prefs') within the '/mt-static/' path, which can be triggered by unauthenticated or low-privileged users to perform unintended updates.
author: SCW Feed Engine (AI-generated)
date: 2026-05-20
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-44392/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/mt-static/'
      cs-uri-query|contains:
          - 'action=update_prefs'
      sc-status:
          - 200
      condition: cs-uri AND cs-uri-query AND sc-status
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse