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Barracuda Networks, Multiple Products
Description
Barracuda Networks Email Security Gateway (ESG), Load Balancer, Application Delivery Controller (ADC), Message Archiver (BMA), WAF Control Center (WCC), Web Application Firewall (WAF), and Web Security Gateway (WSG) contain an OS command injection vulnerability. This vulnerability could allow an authenticated administrator to inject OS commands that execute with root privileges when the crafted timezone value is subsequently processed. This vulnerability can be chained with CVE-2026-116606
CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.
EPSS, exploit probability
Medium1.1%
estimated chance of real-world exploitation in the next 30 days, higher than 64.8% of every CVE FIRST.org scores
Refreshed 11/10/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.
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.
CISA-recommended due date: 2026-11-13
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