CVE-2026-7724 — PrefectHQ Prefect Vulnerability

title: CVE-2026-7724 - PrefectHQ Webhook URL Validation TOCTOU
id: scw-2026-05-04-ai-1
status: experimental
level: medium
description: |
  Detects potential exploitation of CVE-2026-7724 in PrefectHQ. This rule looks for POST requests to '/webhook' endpoints that include a 'url=' parameter in the query string. This pattern is indicative of the Time-of-Check Time-of-Use vulnerability where an attacker might try to manipulate the URL validation process.
author: SCW Feed Engine (AI-generated)
date: 2026-05-04
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7724/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/webhook'
      cs-uri-query|contains:
          - 'url='
      cs-method|exact:
          - 'POST'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse