Authorization Bypass

StudioCMS is vulnerable to Improper Access Control. The vulnerability is due to missing await handling for the asynchronous isAuthorized function in the S3 storage manager, where authorization checks in the POST and PUT handlers always evaluate as successful because unresolved Promise objects are...

GHSA-MM78-FGQ8-6PGR StudioCMS S3 Storage Manager Authorization Bypass via Missing `await` on Async Auth Check

Summary The S3 storage manager's isAuthorized function is declared async returns Promise but is called without await in both the POST and PUT handlers. Since a Promise object is always truthy in JavaScript, !isAuthorizedtype always evaluates to false, completely bypassing the authorization check...

StudioCMS S3 Storage Manager Authorization Bypass via Missing `await` on Async Auth Check

Summary The S3 storage manager's isAuthorized function is declared async returns Promise but is called without await in both the POST and PUT handlers. Since a Promise object is always truthy in JavaScript, !isAuthorizedtype always evaluates to false, completely bypassing the authorization check...

CVE-2026-32101

CVE-2026-32101 affects StudioCMS S3 Storage Manager prior to version 0.3.1. The isAuthorized() function is async but is called without await in both the POST and PUT handlers, causing the authorization check to always evaluate to bypass due to Promise objects being truthy. As a result, any authen...

CVE-2026-32101 StudioCMS S3 Storage Manager Authorization Bypass via Missing `await` on Async Auth Check

StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.3.1, the S3 storage manager's isAuthorized function is declared async returns Promise but is called without await in both the POST and PUT handlers. Since a Promise object is always truthy in...

CVE-2026-32101 StudioCMS S3 Storage Manager Authorization Bypass via Missing `await` on Async Auth Check

StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.3.1, the S3 storage manager's isAuthorized function is declared async returns Promise but is called without await in both the POST and PUT handlers. Since a Promise object is always truthy in...