CVE-2026-111560

OS Command Injection in Barracuda Appliances

Published 2 Nov 2026 • Updated 2 Nov 2026

Severity: HIGH

Description

Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common Barracuda code allows an authenticated administrator to inject OS commands that execute with root privileges when the crafted timezone value is subsequently processed.

Affected products (6)

• Barracuda Networks Barracuda Email Security Gateway (ESG)
• Barracuda Networks Barracuda Load Balancer Application Delivery Controller (ADC)
• Barracuda Networks Barracuda Web Application Firewall (WAF)
• Barracuda Networks Barracuda Web Security Gateway (WSG)
• Barracuda Networks Barracuda Message Archiver (BMA)
• Barracuda Networks Barracuda WAF Control Center (WCC)

Problem types

• CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

References (2)

• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md
• https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection