CVE-2026-24139 MyTube Allows Unauthorized Database Export by Guest Users

High 8.7 Published Updated

Guest users can bypass authorization checks to download the entire application database, exposing sensitive data in MyTube.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-24139?

CVE-2026-24139 is a high-severity missing authorization vulnerability in franklioxygen MyTube, published on 23 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

MyTube is a self-hosted downloader and player for several video websites. Versions 1.7.78 and below do not safeguard against authorization bypass, allowing guest users to download the complete application database. The application fails to properly validate user permissions on the database export endpoint, enabling low-privileged users to access sensitive data they should not have permission to view.

Weakness: CWE-862

Which versions are affected by CVE-2026-24139?

It affects 1 product.

Products include Franklioxygen Mytube.

How do I fix CVE-2026-24139?

No fix has been published for CVE-2026-24139 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-24139 being exploited?

There is no known exploitation of CVE-2026-24139 in the wild and no public exploit code.

Sources

Also known as GHSA-hhc3-8q8c-89q7.

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