CVE-2026-116606

Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway

Published Nov 2, 2026 CVSS 4.0 · 9.3 Critical EPSS 8.9% KEV · Listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Barracuda
Barracuda email Security Gateway 300
Barracuda email Security Gateway 300 Firmware
Barracuda email Security Gateway 400
Barracuda email Security Gateway 400 Firmware
Barracuda email Security Gateway 600
Barracuda email Security Gateway 600 Firmware
Barracuda email Security Gateway 800
Barracuda email Security Gateway 800 Firmware
Barracuda email Security Gateway 900
Barracuda email Security Gateway 900 Firmware
CPEs cpe:2.3:h:barracuda:email_security_gateway_300:-:*:*:*:*:*:*:*
cpe:2.3:h:barracuda:email_security_gateway_400:-:*:*:*:*:*:*:*
cpe:2.3:h:barracuda:email_security_gateway_600:-:*:*:*:*:*:*:*
cpe:2.3:h:barracuda:email_security_gateway_800:-:*:*:*:*:*:*:*
cpe:2.3:h:barracuda:email_security_gateway_900:-:*:*:*:*:*:*:*
cpe:2.3:o:barracuda:email_security_gateway_300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:barracuda:email_security_gateway_400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:barracuda:email_security_gateway_600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:barracuda:email_security_gateway_800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:barracuda:email_security_gateway_900_firmware:*:*:*:*:*:*:*:*
Vendors & Products Barracuda
Barracuda email Security Gateway 300
Barracuda email Security Gateway 300 Firmware
Barracuda email Security Gateway 400
Barracuda email Security Gateway 400 Firmware
Barracuda email Security Gateway 600
Barracuda email Security Gateway 600 Firmware
Barracuda email Security Gateway 800
Barracuda email Security Gateway 800 Firmware
Barracuda email Security Gateway 900
Barracuda email Security Gateway 900 Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-11-10T00:00:00+00:00', 'dueDate': '2026-11-13T00:00:00+00:00'}

Type Values Removed Values Added
First Time appeared Barracuda Networks
Barracuda Networks barracuda Email Security Gateway
Vendors & Products Barracuda Networks
Barracuda Networks barracuda Email Security Gateway
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}