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.

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Fixes

Solution

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Workaround

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History

Mon, 06 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 06 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Beyondtrust
Beyondtrust privileged Remote Access
Beyondtrust remote Support
Vendors & Products Beyondtrust
Beyondtrust privileged Remote Access
Beyondtrust remote Support

Mon, 06 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Description 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.
Title High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: BT

Published:

Updated: 2026-07-06T18:55:46.474Z

Reserved: 2026-04-09T18:36:13.133Z

Link: CVE-2026-40140

cve-icon Vulnrichment

Updated: 2026-07-06T18:55:31.432Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-06T17:30:16Z

Weaknesses