{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114426","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","state":"PUBLISHED","assignerShortName":"NCSC.ch","dateReserved":"2026-10-21T13:14:01.740Z","datePublished":"2026-11-04T08:33:13.228Z","dateUpdated":"2026-11-04T08:33:13.228Z"},"containers":{"cna":{"providerMetadata":{"orgId":"455daabc-a392-441d-aa46-37d35189897c","shortName":"NCSC.ch","dateUpdated":"2026-11-04T08:33:13.228Z"},"title":"Pre-authentication upload parsing permits resource exhaustion","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-125","descriptions":[{"lang":"en","value":"CAPEC-125 Flooding"}]}],"affected":[{"vendor":"SEPPmail AG","product":"SEPPmail Secure Email Gateway (SEG)","versions":[{"status":"affected","version":"0","lessThan":"15.1.1","versionType":"custom"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage with concurrent or slow requests, causing service unavailability.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p><span>SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage with concurrent or slow requests, causing service unavailability.</span></p>"}]}],"references":[{"url":"https://docs.seppmail.com/en/20_revision-history.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","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":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Dario Weiss of InfoGuard Labs","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}}}}