Authorization Bypass Through User-Controlled Key Affecting @withstudiocms/effect package, versions <0.4.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Authorization Bypass Through User-Controlled Key vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-JS-WITHSTUDIOCMSEFFECT-15682415
- published18 Mar 2026
- disclosed16 Mar 2026
- creditrestriction
Introduced: 16 Mar 2026
NewCVE-2026-32638 (opens in a new tab)How to fix?
Upgrade @withstudiocms/effect to version 0.4.1 or higher.
Overview
@withstudiocms/effect is an Effect-TS Utilities for Astro
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the getUsers process. An attacker can access sensitive owner account information, such as IDs, usernames, display names, and email addresses, by supplying a crafted rank query parameter while authenticated as an admin. This allows bypassing intended authorization boundaries and retrieving privileged user data.