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4 vulnerabilities found for Barracuda Email Security Gateway (ESG) by Barracuda Networks
CVE-2026-116606 (GCVE-0-2026-116606)
Vulnerability from nvd – Published: 2026-11-02 12:59 – Updated: 2026-11-03 04:55
VLAI
EPSS
VEX
Title
Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 00:00 UTC
CWE
- CWE-288 - Authentication bypass using an alternate path or channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
| https://trust.barracuda.com/security/pre-authenti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) |
Affected:
0 , < 9.4.0.030
(custom)
|
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CVE-2026-111560 (GCVE-0-2026-111560)
Vulnerability from nvd – Published: 2026-11-02 12:59 – Updated: 2026-11-03 04:55
VLAI
EPSS
VEX
Title
OS Command Injection in Barracuda Appliances
Summary
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 crafted timezone value is subsequently processed.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 00:00 UTC
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
| https://trust.barracuda.com/security/pre-authenti… | vendor-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) |
Affected:
0 , ≤ 9.4.0.27
(custom)
|
|
| Barracuda Networks | Barracuda Load Balancer Application Delivery Controller (ADC) |
Affected:
0 , ≤ 6.4.0
(custom)
|
|
| Barracuda Networks | Barracuda Web Application Firewall (WAF) |
Affected:
0 , ≤ 11.0.1
(custom)
|
|
| Barracuda Networks | Barracuda Web Security Gateway (WSG) |
Affected:
0 , ≤ 16.1.100.100
(custom)
|
|
| Barracuda Networks | Barracuda Message Archiver (BMA) |
Affected:
0 , ≤ 5.5.4.0
(custom)
|
|
| Barracuda Networks | Barracuda WAF Control Center (WCC) |
Affected:
0 , ≤ 2.2.1
(custom)
|
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CVE-2026-116606 (GCVE-0-2026-116606)
Vulnerability from cvelistv5 – Published: 2026-11-02 12:59 – Updated: 2026-11-03 04:55
VLAI
EPSS
VEX
Title
Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 00:00 UTC
CWE
- CWE-288 - Authentication bypass using an alternate path or channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
| https://trust.barracuda.com/security/pre-authenti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) |
Affected:
0 , < 9.4.0.030
(custom)
|
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CVE-2026-111560 (GCVE-0-2026-111560)
Vulnerability from cvelistv5 – Published: 2026-11-02 12:59 – Updated: 2026-11-03 04:55
VLAI
EPSS
VEX
Title
OS Command Injection in Barracuda Appliances
Summary
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 crafted timezone value is subsequently processed.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 00:00 UTC
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
| https://trust.barracuda.com/security/pre-authenti… | vendor-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) |
Affected:
0 , ≤ 9.4.0.27
(custom)
|
|
| Barracuda Networks | Barracuda Load Balancer Application Delivery Controller (ADC) |
Affected:
0 , ≤ 6.4.0
(custom)
|
|
| Barracuda Networks | Barracuda Web Application Firewall (WAF) |
Affected:
0 , ≤ 11.0.1
(custom)
|
|
| Barracuda Networks | Barracuda Web Security Gateway (WSG) |
Affected:
0 , ≤ 16.1.100.100
(custom)
|
|
| Barracuda Networks | Barracuda Message Archiver (BMA) |
Affected:
0 , ≤ 5.5.4.0
(custom)
|
|
| Barracuda Networks | Barracuda WAF Control Center (WCC) |
Affected:
0 , ≤ 2.2.1
(custom)
|
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}
],
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}
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{
"capecId": "CAPEC-88",
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"lang": "en",
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"Recovery": "NOT_DEFINED",
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"exploitMaturity": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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"value": "GENERAL"
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"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78 Improper neutralization of special elements used in an OS command (\u0027OS command injection\u0027)",
"lang": "en",
"type": "CWE"
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}
],
"providerMetadata": {
"dateUpdated": "2026-11-02T12:59:03.673Z",
"orgId": "027e81ed-0dd4-4685-ab4d-884aec5bb484",
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"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "OS Command Injection in Barracuda Appliances",
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"cveId": "CVE-2026-111560",
"datePublished": "2026-11-02T12:59:03.673Z",
"dateReserved": "2026-10-16T11:21:46.292Z",
"dateUpdated": "2026-11-03T04:55:20.131Z",
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