CVE-2026-33735 MyTube has an Improper Access Control that Allows Complete Application Takeover

High 7.4 Published Updated

Low-privilege users can bypass authorization to replace the application database, leading to full application takeover.

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-2026-33735?

CVE-2026-33735 is a high-severity authentication bypass vulnerability in franklioxygen MyTube, published on 27 Mar 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 Prior to version 1.8.69, an authorization bypass in the `/api/settings/import-database` endpoint allows attackers with low-privilege credentials to upload and replace the application's SQLite database entirely, leading to a full compromise of the application. The bypass is relevant for other POST routes as well. Version 1.8.69 fixes the issue.

Weakness: CWE-639, CWE-285

Which versions are affected by CVE-2026-33735?

It affects 1 product.

Products include Franklioxygen Mytube.

How do I fix CVE-2026-33735?

No fix has been published for CVE-2026-33735 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-33735 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-33735 exists.

Sources

Also known as GHSA-63cf-662x-crp2.

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