CVE-2026-40140

HIGH

BeyondTrust Remote Support and PRA - Unauthenticated Denial of Service

Title source: manual

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.

References (1)

Core 1

Core References

https://www.beyondtrust.com/trust-center/security-advisories/bt26-03

Scores

CVSS v3 7.5

EPSS 0.0057

EPSS Percentile 44.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (8)

BeyondTrust/Privileged Remote Access < 25.3.2

BeyondTrust/Privileged Remote Access < 25.3.3

BeyondTrust/Privileged Remote Access < 26.2.1

beyondtrust/privileged_remote_access < 25.3.3

BeyondTrust/Remote Support < 25.3.2

BeyondTrust/Remote Support < 25.3.3

BeyondTrust/Remote Support < 26.2.1

beyondtrust/remote_support < 25.3.3

Published Jul 06, 2026

Tracked Since Jul 06, 2026