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cve recordhigh

CVE-2026-40138

beyondtrust · privileged remote access

Published
CVSS8.1
Severityhigh
WeaknessCWE-287
ExploitedNot in CISA KEV

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

Description

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned 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

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Our coverage of CVE-2026-40138

CVE-2026-40138critical

BeyondTrust Patches Critical Auth Bypass Flaws in Remote Support and PRA

BeyondTrust has released security updates to address critical vulnerabilities in its Remote Support and Privileged Remote Access software. The flaws, if exploited, could allow attackers who have not authenticated to gain unauthorized access and control over vulnerable systems.