{"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": "2026-07-06T16:13:22.126Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "13061848-ea10-403d-bd75-c83a022c2891", "shortName": "BT", "dateUpdated": "2026-07-06T16:13:22.126Z"}, "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", "lessThan": "26.2.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "25.3.3", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "BeyondTrust", "product": "Privileged Remote Access", "versions": [{"status": "affected", "version": "0", "lessThan": "26.2.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "25.3.3", "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.\u00a0Insufficient 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"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.2.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,25.3.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Privileged Remote Access", "source": "cna", "vendor": "BeyondTrust"}, "product": "privileged_remote_access", "vendor": "beyondtrust"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.2.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,25.3.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Remote Support", "source": "cna", "vendor": "BeyondTrust"}, "product": "remote_support", "vendor": "beyondtrust"}], "created": "2026-07-06T17:30:16.436647+00:00", "updated": "2026-07-06T17:30:16.436681+00:00", "vendors": ["beyondtrust", "beyondtrust$PRODUCT$privileged_remote_access", "beyondtrust$PRODUCT$remote_support"]}