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VULNERABILITIES

CVE-2026-40140 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.beyondtrust.com/trust-center/security-advisories/bt26-03 BeyondTrustVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource ConsumptionBeyondTrust

Affected Products

ProductVersions
beyondtrust privileged remote access
< 25.3.3

CPE

  • cpe:2.3:a:beyondtrust:privileged_remote_access:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
beyondtrust remote support
< 25.3.3

CPE

  • cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-40140
NVD Published Date:
Jul 6, 2026
NVD Last Modified:
Jul 7, 2026
Source:
BeyondTrust