CVE-2026-7573 — An authorization bypass (CWE-639) in the GetUserRoles gRPC

title: CVE-2026-7573 - Unauthenticated User Role Enumeration via gRPC
id: scw-2026-05-06-ai-1
status: experimental
level: medium
description: |
  Detects attempts to exploit CVE-2026-7573 by accessing the GetUserRoles gRPC API endpoint. This allows any authenticated low-privilege user to retrieve ACL policies for any user across all organizations by supplying targeted Name and Org parameters.
author: SCW Feed Engine (AI-generated)
date: 2026-05-06
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7573/
tags:
  - attack.discovery
  - attack.t1069.002
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/GetUserRoles'
      cs-method|contains:
          - 'POST'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse