CVE-2026-111560
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductBarracuda Email Security Gateway (ESG)
PublishedNov 2, 2026
First seenNov 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Barracuda Networks Barracuda Email Security Gateway (ESG) | v ≤ 9.4.0.27 | — |
| Barracuda Networks Barracuda Load Balancer Application Delivery Controller (ADC) | v ≤ 6.4.0 | — |
| Barracuda Networks Barracuda Web Application Firewall (WAF) | v ≤ 11.0.1 | — |
| Barracuda Networks Barracuda Web Security Gateway (WSG) | v ≤ 16.1.100.100 | — |
| Barracuda Networks Barracuda Message Archiver (BMA) | v ≤ 5.5.4.0 | — |
| Barracuda Networks Barracuda WAF Control Center (WCC) | v ≤ 2.2.1 | — |
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