Vulnerability details

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.

• Security Affairs newsletter Round 603 by Pierluigi Paganini – INTERNATIONAL EDITION Security Affairs · 1 d ago
• Experts Demonstrate Barracuda Email Security Gateway Chain Enabling Root Access Without Login The Hacker News · 3 d ago
• Two Barracuda ESG Flaws Could Be Combined for Full Root Access; Patches Released Security Affairs · 5 d ago
• Barracuda’s security appliances have a security problem of their own Network World · 5 d ago
• Barracuda Flaws Could Be Chained to Bypass Authorization and Gain Root Access The Hacker News · 6 d ago

• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0042.md third-party-advisory
• https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection vendor-advisory