Barracuda Email Security Gateway (ESG) vulnerabilities

2 known vulnerabilities in Barracuda Email Security Gateway (ESG) from Barracuda Networks. 2 are rated high or critical, and 2 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.8 Critical severity

  Barracuda Networks Email Security Gateway (ESG) Authentication Bypass Using an Alternate Path or Channel Exploited

  CVE-2026-116606Nov 2, 2026Barracuda NetworksEPSS 10.9%

  An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted, compatible backup archive, resulting in unauthorized modific

• 7.2 High severity

  Barracuda Networks Multiple Products OS Command Injection Exploited

  CVE-2026-111560Nov 2, 2026Barracuda NetworksEPSS 9.08%

  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 craft