CVE-2026-111560 OS Command Injection in Barracuda Appliances
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
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.
CISA Known Exploited Vulnerability
- Date added
- 2026-11-10
- Due date (FCEB)
- 2026-11-13
- Ransomware use
- Unknown
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| barracuda networks Barracuda Email Security Gateway (ESG) | <= 9.4.0.27 | No fix listed |
| barracuda networks Barracuda Load Balancer Application Delivery Controller (ADC) | <= 6.4.0 | No fix listed |
| barracuda networks Barracuda Web Application Firewall (WAF) | <= 11.0.1 | No fix listed |
| barracuda networks Barracuda Web Security Gateway (WSG) | <= 16.1.100.100 | No fix listed |
| barracuda networks Barracuda Message Archiver (BMA) | <= 5.5.4.0 | No fix listed |
| barracuda networks Barracuda WAF Control Center (WCC) | <= 2.2.1 | No fix listed |
| barracuda email security gateway 300 firmware | < 9.4.0.029 | 9.4.0.029 |
| barracuda email security gateway 400 firmware | < 9.4.0.029 | 9.4.0.029 |
| barracuda email security gateway 600 firmware | < 9.4.0.029 | 9.4.0.029 |
| barracuda email security gateway 800 firmware | < 9.4.0.029 | 9.4.0.029 |
| barracuda email security gateway 900 firmware | < 9.4.0.029 | 9.4.0.029 |
| barracuda web application firewall | < 12.3.1.002 | 12.3.1.002 |
| barracuda web security gateway firmware | < 15.0.0.009 | 15.0.0.009 |
| barracuda load balancer adc firmware | < 6.4 | 6.4 |
| barracuda message archiver firmware | < 5.5.4.002 | 5.5.4.002 |
References
- github.com third-party-advisory
- trust.barracuda.com vendor-advisory
- www.cisa.gov government-resource us-government-resource