CVE-2026-41903 — FreeScout is a free help desk and shared inbox built with

title: FreeScout User Notification Subscription Modification - CVE-2026-41903
id: scw-2026-05-07-ai-1
status: experimental
level: high
description: |
  Detects a POST request to the /users/notifications/subscriptions endpoint, which is the specific path exploited in CVE-2026-41903. This vulnerability allows a user with PERM_EDIT_USERS to modify the notification subscriptions of any user, including admins, potentially disabling security alerts.
author: SCW Feed Engine (AI-generated)
date: 2026-05-07
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41903/
tags:
  - attack.impact
  - attack.t1531
logsource:
    category: webserver
detection:
  selection:
      cs-method:
          - 'POST'
      cs-uri|contains:
          - '/users/notifications/subscriptions'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse