UNKNOWNCVE-2026-33890

MyTube has an Unauthenticated Admin Privilege Escalation via Passkey Registration

Platform

other

Component

mytube

Fixed in

1.8.71

MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.71, an unauthenticated attacker can register an arbitrary passkey and subsequently authenticate with it to obtain a full admin session. The application exposes passkey registration endpoints without requiring prior authentication. Any successfully authenticated passkey is automatically granted an administrator token, allowing full administrative access to the application. This enables a complete compromise of the application without requiring any existing credentials. Version 1.8.71 fixes the issue.

How to fix

Actualice MyTube a la versión 1.8.71 o posterior. Esta versión corrige la vulnerabilidad que permite a atacantes no autenticados obtener privilegios de administrador. La actualización previene el acceso no autorizado y la posible manipulación de la aplicación.

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CVE-2026-33890 — Vulnerability Details | NextGuard | NextGuard