Vulnerability Intelligence Report
OS Command Injection in Barracuda Appliances
CVE-2026-111560
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.
CISA KEV
SSVC: Active Exploitation
Injection
CVSS Base Score
8.6
HIGH
EPSS Probability:1.06%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) | 0 <= 9.4.0.27 (affected) |
| Barracuda Networks | Barracuda Load Balancer Application Delivery Controller (ADC) | 0 <= 6.4.0 (affected) |
| Barracuda Networks | Barracuda Web Application Firewall (WAF) | 0 <= 11.0.1 (affected) |
| Barracuda Networks | Barracuda Web Security Gateway (WSG) | 0 <= 16.1.100.100 (affected) |
| Barracuda Networks | Barracuda Message Archiver (BMA) | 0 <= 5.5.4.0 (affected) |
| Barracuda Networks | Barracuda WAF Control Center (WCC) | 0 <= 2.2.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
EPSS Score
1.060%
GitHub Advisory
Vulnerability Class
Injection
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Mandiant Inc. · Researcher · USA |
| Reserved | 2026-10-16T11:21:46 |
| Published | 2026-11-02T12:59:03 |
| Last Updated | 2026-11-10T20:58:24 |
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