Vulnerability Intelligence Report
Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
CVE-2026-40139
A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote 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.
Authentication Bypass
No Active Exploit Signals
CVSS Base Score
9.2
CRITICAL
EPSS Probability:0.65%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287 Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| BeyondTrust | Remote Support | 0 <= 25.3.2 (affected) |
| BeyondTrust | Privileged Remote Access | 0 <= 25.3.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | BeyondTrust Inc. · Vendor · USA |
| Reserved | 2026-04-09T18:36:13 |
| Published | 2026-07-06T16:13:02 |
| Last Updated | 2026-07-07T15:00:13 |
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