Barracuda Email Security Gateway (ESG) vulnerabilities and CVEs

Known vulnerabilities affecting Barracuda Email Security Gateway (ESG), with exploit availability attached to each one, so you can tell a flaw someone has written code for from one nobody has.

2 vulnerabilities tracked.

9.3 An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to… CVE-2026-116606 2 Nov 2026
8.6 Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common… CVE-2026-111560 2 Nov 2026

What this covers

This feed accumulates forward from the day it started storing records, and a name search that finds nothing here is also looked up against the registers directly — so an older advisory resolves even when it predates the corpus. It is still a reading view, not a substitute for the vendor's own advisory, and absence from this page is not a statement that Barracuda Email Security Gateway (ESG) is free of vulnerabilities.

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Barracuda Email Security Gateway (ESG) vulnerabilities and CVEs

What this covers

Other products tracked here