Known exploited vulnerabilities
Barracuda Networks vulnerabilities attackers have used
Every Barracuda Networks vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.
The short answer
CISA lists 3 Barracuda Networks vulnerabilities as exploited in the wild, 2 of them added in the last 12 months. The most recent is CVE-2026-116606, added Nov 10, 2026. Barracuda Email Security Gateway (ESG) has the most entries (1).
- In KEV, all time
- 3
- Added, last 12 months
- 2
- Used in ransomware
- 0
- New CVEs this week
- 0
By product
Barracuda Email Security Gateway (ESG) (1), Email Security Gateway (ESG) Appliance (1), Multiple Products (1).
Every Barracuda Networks entry in CISA KEV
CVE-2026-116606
Added · dueBarracuda Networks Email Security Gateway (ESG) Authentication Bypass Using an Alternate Path or Channel Vulnerability
Barracuda Networks Email Security Gateway (ESG) contains an authentication bypass using an alternate path or channel that could allow an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted…
CVE-2026-111560
Added · dueBarracuda Networks Multiple Products OS Command Injection Vulnerability
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…
CVE-2023-2868
Added · dueBarracuda Networks ESG Appliance Improper Input Validation Vulnerability
Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.
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