CVE-2026-116606: critical vulnerability in Barracuda Email Security Gateway (ESG)
Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.7%
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 modification of the appliance’s global configuration.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Barracuda Networks · Barracuda Email Security Gateway (ESG)Related CVEs — Barracuda Email Security Gateway (ESG)
In the same product, most dangerous first.