{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116606","assignerOrgId":"027e81ed-0dd4-4685-ab4d-884aec5bb484","state":"PUBLISHED","assignerShortName":"Mandiant","dateReserved":"2026-10-26T16:04:54.772Z","datePublished":"2026-11-02T12:59:11.278Z","dateUpdated":"2026-11-02T19:43:04.702Z"},"containers":{"cna":{"providerMetadata":{"orgId":"027e81ed-0dd4-4685-ab4d-884aec5bb484","shortName":"Mandiant","dateUpdated":"2026-11-02T12:59:11.278Z"},"title":"Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-288","description":"CWE-288 Authentication bypass using an alternate path or channel","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-115","descriptions":[{"lang":"en","value":"CAPEC-115 Authentication Bypass"}]}],"affected":[{"vendor":"Barracuda Networks","product":"Barracuda Email Security Gateway (ESG)","versions":[{"status":"affected","version":"0","lessThan":"9.4.0.030","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"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."}]}],"references":[{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0042.md","tags":["third-party-advisory"]},{"url":"https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.3,"vectorString":"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"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-116606","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-11-02T14:33:35.994525Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-02T19:43:04.702Z"}}]}}