CVE-2026-111560
Barracuda Networks Barracuda Email Security Gateway (ESG), Barracuda Networks Barracuda Load Balancer Application Delivery Controller (ADC), Barracuda Networks Barracuda Web Application Firewall (WAF)
Published 2 Nov 2026 · updated 10 Nov 2026 · Undergoing Analysis
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 10 Nov 2026, with a remediation deadline of 13 Nov 2026 for US federal agencies.
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.
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.