CVE Details

CVE-2026-111560 Barracuda Networks Multiple Products OS Command Injection Vulnerability
Published: 2026-11-10 CVSS: 8.6 HIGH Product: Barracuda Networks Multiple Products Due Date: 2026-11-13

Barracuda Networks Email Security Gateway (ESG), Load Balancer, Application Delivery Controller (ADC), Message Archiver (BMA), WAF Control Center (WCC), Web Application Firewall (WAF), and Web Security Gateway (WSG) contain an OS command injection vulnerability. This vulnerability could allow an authenticated administrator to inject OS commands that execute with root privileges when the crafted timezone value is subsequently processed. This vulnerability can be chained with CVE-2026-116606

GitHub PoC

Warning: GitHub PoC repositories are unverified. Some may be fake or contain malware. Use caution and review code before running anything.

FIRST EPSS

EPSS estimates the probability of exploitation in the next 30 days. Higher values indicate higher likelihood of real-world exploitation.

Timeline

CVE Stalker KEV MITRE GitHub FIRST (EPSS)

MITRE

CVSS

  • Score: 8.6
  • Severity: HIGH
  • Vector: 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

SSVC

  • Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

Show Raw Data
Key Remaining Key Value
dataType CVE_RECORD
dataVersion 5.2
cveMetadata > cveId CVE-2026-111560
cveMetadata > assignerOrgId 027e81ed-0dd4-4685-ab4d-884aec5bb484
cveMetadata > state PUBLISHED
cveMetadata > assignerShortName Mandiant
cveMetadata > dateReserved 2026-10-16T11:21:46.292Z
cveMetadata > datePublished 2026-11-02T12:59:03.673Z
cveMetadata > dateUpdated 2026-11-03T04:55:20.131Z
containers > cna > providerMetadata > orgId 027e81ed-0dd4-4685-ab4d-884aec5bb484
containers > cna > providerMetadata > shortName Mandiant
containers > cna > providerMetadata > dateUpdated 2026-11-02T12:59:03.673Z
containers > cna > title OS Command Injection in Barracuda Appliances
containers > cna > problemTypes > 0 > descriptions > 0 > lang en
containers > cna > problemTypes > 0 > descriptions > 0 > cweId CWE-78
containers > cna > problemTypes > 0 > descriptions > 0 > description CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
containers > cna > problemTypes > 0 > descriptions > 0 > type CWE
containers > cna > impacts > 0 > capecId CAPEC-88
containers > cna > impacts > 0 > descriptions > 0 > lang en
containers > cna > impacts > 0 > descriptions > 0 > value CAPEC-88 OS Command Injection
containers > cna > affected > 0 > vendor Barracuda Networks
containers > cna > affected > 0 > product Barracuda Email Security Gateway (ESG)
containers > cna > affected > 0 > versions > 0 > status affected
containers > cna > affected > 0 > versions > 0 > version 0
containers > cna > affected > 0 > versions > 0 > lessThanOrEqual 9.4.0.27
containers > cna > affected > 0 > versions > 0 > versionType custom
containers > cna > affected > 0 > defaultStatus unaffected
containers > cna > affected > 1 > vendor Barracuda Networks
containers > cna > affected > 1 > product Barracuda Load Balancer Application Delivery Controller (ADC)
containers > cna > affected > 1 > versions > 0 > status affected
containers > cna > affected > 1 > versions > 0 > version 0
containers > cna > affected > 1 > versions > 0 > lessThanOrEqual 6.4.0
containers > cna > affected > 1 > versions > 0 > versionType custom
containers > cna > affected > 1 > defaultStatus unaffected
containers > cna > affected > 2 > vendor Barracuda Networks
containers > cna > affected > 2 > product Barracuda Web Application Firewall (WAF)
containers > cna > affected > 2 > versions > 0 > status affected
containers > cna > affected > 2 > versions > 0 > version 0
containers > cna > affected > 2 > versions > 0 > lessThanOrEqual 11.0.1
containers > cna > affected > 2 > versions > 0 > versionType custom
containers > cna > affected > 2 > defaultStatus unaffected
containers > cna > affected > 3 > vendor Barracuda Networks
containers > cna > affected > 3 > product Barracuda Web Security Gateway (WSG)
containers > cna > affected > 3 > versions > 0 > status affected
containers > cna > affected > 3 > versions > 0 > version 0
containers > cna > affected > 3 > versions > 0 > lessThanOrEqual 16.1.100.100
containers > cna > affected > 3 > versions > 0 > versionType custom
containers > cna > affected > 3 > defaultStatus unaffected
containers > cna > affected > 4 > vendor Barracuda Networks
containers > cna > affected > 4 > product Barracuda Message Archiver (BMA)
containers > cna > affected > 4 > versions > 0 > status affected
containers > cna > affected > 4 > versions > 0 > version 0
containers > cna > affected > 4 > versions > 0 > lessThanOrEqual 5.5.4.0
containers > cna > affected > 4 > versions > 0 > versionType custom
containers > cna > affected > 4 > defaultStatus unaffected
containers > cna > affected > 5 > vendor Barracuda Networks
containers > cna > affected > 5 > product Barracuda WAF Control Center (WCC)
containers > cna > affected > 5 > versions > 0 > status affected
containers > cna > affected > 5 > versions > 0 > version 0
containers > cna > affected > 5 > versions > 0 > lessThanOrEqual 2.2.1
containers > cna > affected > 5 > versions > 0 > versionType custom
containers > cna > affected > 5 > defaultStatus unaffected
containers > cna > descriptions > 0 > lang en
containers > cna > descriptions > 0 > value 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.
containers > cna > descriptions > 0 > supportingMedia > 0 > type text/html
containers > cna > descriptions > 0 > supportingMedia > 0 > base64 False
containers > cna > descriptions > 0 > supportingMedia > 0 > value 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.
containers > cna > references > 0 > url https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md
containers > cna > references > 0 > tags > 0 third-party-advisory
containers > cna > references > 1 > url https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection
containers > cna > references > 1 > tags > 0 vendor-advisory
containers > cna > metrics > 0 > format CVSS
containers > cna > metrics > 0 > scenarios > 0 > lang en
containers > cna > metrics > 0 > scenarios > 0 > value GENERAL
containers > cna > metrics > 0 > cvssV4_0 > attackVector NETWORK
containers > cna > metrics > 0 > cvssV4_0 > attackComplexity LOW
containers > cna > metrics > 0 > cvssV4_0 > attackRequirements NONE
containers > cna > metrics > 0 > cvssV4_0 > privilegesRequired HIGH
containers > cna > metrics > 0 > cvssV4_0 > userInteraction NONE
containers > cna > metrics > 0 > cvssV4_0 > vulnConfidentialityImpact HIGH
containers > cna > metrics > 0 > cvssV4_0 > subConfidentialityImpact NONE
containers > cna > metrics > 0 > cvssV4_0 > vulnIntegrityImpact HIGH
containers > cna > metrics > 0 > cvssV4_0 > subIntegrityImpact NONE
containers > cna > metrics > 0 > cvssV4_0 > vulnAvailabilityImpact HIGH
containers > cna > metrics > 0 > cvssV4_0 > subAvailabilityImpact NONE
containers > cna > metrics > 0 > cvssV4_0 > exploitMaturity NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > Safety NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > Automatable NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > Recovery NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > valueDensity NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > vulnerabilityResponseEffort NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > providerUrgency NOT_DEFINED
containers > cna > metrics > 0 > cvssV4_0 > version 4.0
containers > cna > metrics > 0 > cvssV4_0 > baseSeverity HIGH
containers > cna > metrics > 0 > cvssV4_0 > baseScore 8.6
containers > cna > metrics > 0 > cvssV4_0 > 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
containers > cna > source > discovery UNKNOWN
containers > cna > x_generator > engine Vulnogram 1.0.5
containers > adp > 0 > metrics > 0 > other > type ssvc
containers > adp > 0 > metrics > 0 > other > content > timestamp 2026-11-02T00:00:00+00:00
containers > adp > 0 > metrics > 0 > other > content > options > 0 > Exploitation none
containers > adp > 0 > metrics > 0 > other > content > options > 1 > Automatable no
containers > adp > 0 > metrics > 0 > other > content > options > 2 > Technical Impact total
containers > adp > 0 > metrics > 0 > other > content > role CISA Coordinator
containers > adp > 0 > metrics > 0 > other > content > version 2.0.3
containers > adp > 0 > metrics > 0 > other > content > id CVE-2026-111560
containers > adp > 0 > title CISA ADP Vulnrichment
containers > adp > 0 > providerMetadata > orgId 134c704f-9b21-4f2e-91b3-4a467353bcc0
containers > adp > 0 > providerMetadata > shortName CISA-ADP
containers > adp > 0 > providerMetadata > dateUpdated 2026-11-03T04:55:20.131Z