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CVE-2026-40138

CRITICAL
9.2
CVSS 4.0
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

Metadata

CVE ID
CVE-2026-40138
State
PUBLISHED
Assigner
BT
Reserved
2026-04-09 18:36 UTC
Published
2026-07-06 16:12 UTC
Last updated
2026-07-06 18:54 UTC
Primary CWE
CWE-287
CWE-287 Improper Authentication
Vendor / Product
BeyondTrust / Remote Support
Sources
cve.org  ·  NVD

Severity & Metrics

9.2 CRITICAL CVSS 4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (2)
VendorProductPlatformVersions
BeyondTrust Privileged Remote Access — 0 < 26.2.1, 0 < 25.3.3
BeyondTrust Remote Support — 0 < 26.2.1, 0 < 25.3.3
Weakness (CWE)
CWESourceDescription
CWE-287 cna CWE-287 Improper Authentication
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.2 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (1)
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