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CVE-2026-33890

HIGH CVSS 4.0: 8.9 EPSS 0.27%
Updated Mar 30, 2026
Mytube
Parameter Value
CVSS 8.9 (HIGH)
Type CWE-284 (Improper Access Control)
Vendor Mytube
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0