{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40139", "assignerOrgId": "13061848-ea10-403d-bd75-c83a022c2891", "state": "PUBLISHED", "assignerShortName": "BT", "dateReserved": "2026-04-09T18:36:13.133Z", "datePublished": "2026-07-06T16:13:02.413Z", "dateUpdated": "2026-07-06T16:13:02.413Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "13061848-ea10-403d-bd75-c83a022c2891", "shortName": "BT", "dateUpdated": "2026-07-06T16:13:02.413Z"}, "title": "Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "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": "A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support.\u00a0Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span><span>A critical pre-authentication vulnerability exists in the authentication subsystem of </span><span>BeyondTrust</span><span> Remote Support.&nbsp;</span></span>Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled."}]}], "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": "PRESENT", "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": 9.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

{}

{}

{}

{"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": "2026-07-06T17:30:16.436862+00:00", "updated": "2026-07-06T17:30:16.436889+00:00", "vendors": ["beyondtrust", "beyondtrust$PRODUCT$privileged_remote_access", "beyondtrust$PRODUCT$remote_support"]}