6.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2026-24134

CVE-2026-24134: StudioCMS has an Authorization Bypass Through User-Controlled Key

StudioCMS is a server-side-rendered, Astro native, headless content management system. Versions prior to 0.2.0 contain a Broken Object Level Authorization (BOLA) vulnerability in the Content Management feature that allows users with the "Visitor" role to access draft content created by Editor/Admin/Owner users. Version 0.2.0 patches the issue.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2026-24134

CVE-2026-24134:

6.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
studiocms	npm	< 0.2.0	0.2.0

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability is a Broken Object Level Authorization (BOLA) issue within StudioCMS, allowing low-privileged 'visitor' users to access draft content they do not own. The provided patch efc10bee20db090fdd75463622c30dda390c50ad reveals that the fix was implemented in the application's middleware, specifically within the onRequest function in packages/studiocms/frontend/middleware/index.ts. Before the patch, this middleware only verified user authentication but did not check for authorization based on user roles. The exploit occurs when a 'visitor' accesses a URL like /dashboard/content-management/edit?edit={UUID}, and the onRequest function fails to block the request. The patch introduces a new file, _authmap.ts, which defines required permission levels for dashboard routes, and modifies onRequest to enforce these permissions. Therefore, the onRequest function is the critical point in the execution flow where the vulnerability manifested due to the absence of authorization logic. A runtime profiler would show this function being executed during an exploit attempt.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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