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

Medium 6.5 Published Updated

Visitors can access draft content created by privileged users due to missing authorization checks in StudioCMS.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-24134?

CVE-2026-24134 is a medium-severity missing authorization vulnerability in withstudiocms studiocms, published on 27 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-862, CWE-639

Which versions are affected by CVE-2026-24134?

2 open source packages ship an affected version, including studiocms. It affects 1 product.

PackageAffectedFixed in
studiocms npmAll versions0.2.0
studiocms npmAll versions0.2.0

Products include Studiocms Studiocms.

How do I fix CVE-2026-24134?

Upgrade studiocms to 0.2.0 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-24134 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24134 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-8cw6-53m5-4932.

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