CVE-2025-57799: LEMON8866 Streamvault

High severity, CVSS 8.7. EPSS: 1.2% chance of exploitation in the next 30 days.

StreamVault is a multi-platform video parsing and downloading tool. Prior to version 250822, after logging into the StreamVault-system, an attacker can modify certain system parameters, construct malicious commands, execute command injection attacks against the system, and ultimately gain server privileges. Users of all versions of the StreamVault system to date who have not modified their background passwords or use weak passwords are at risk of having their systems taken over via remote command execution. This issue has been patched in version 250822.

Affected products

• LEMON8866 Streamvault: before 250822 (fixed in 250822)

Published 2025-09-01. Last modified 2026-06-17.