{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40140","assignerOrgId":"13061848-ea10-403d-bd75-c83a022c2891","state":"PUBLISHED","assignerShortName":"BT","dateReserved":"2026-04-09T18:36:13.133Z","datePublished":"2026-07-06T16:13:22.126Z","dateUpdated":"2026-07-07T15:01:24.511Z"},"containers":{"cna":{"providerMetadata":{"orgId":"13061848-ea10-403d-bd75-c83a022c2891","shortName":"BT","dateUpdated":"2026-07-07T15:01:24.511Z"},"title":"High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-124","descriptions":[{"lang":"en","value":"CAPEC-124 Shared Resource Manipulation"}]}],"affected":[{"vendor":"BeyondTrust","product":"Remote Support","versions":[{"status":"affected","version":"0","lessThanOrEqual":"25.3.2","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"BeyondTrust","product":"Privileged Remote Access","versions":[{"status":"affected","version":"0","lessThanOrEqual":"25.3.2","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting appliance availability.","supportingMedia":[{"type":"text/html","base64":false,"value":"<span><span>BeyondTrust Remote Support and Privileged Remote Access </span><span>contain</span><span> </span><span>a high</span><span>-severity pre-authentication vulnerability in the network communication subsystem.&nbsp;</span></span>Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting appliance availability."}]}],"references":[{"url":"https://www.beyondtrust.com/trust-center/security-advisories/bt26-03"}],"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"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-06T18:55:25.321625Z","id":"CVE-2026-40140","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-06T18:55:46.474Z"}}]}}