CVE-2021-26753: Nedi

Critical severity, CVSS 9.9. EPSS: 1.2% chance of exploitation in the next 30 days.

NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.

Affected products

• Nedi Nedi: version 1.9c only

Published 2021-02-12. Last modified 2026-06-17.