CVE-2026-40140
High
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.
SeverityHigh
CVSS7.5
Exploit probability51. percentile0.6%
ProductBeyondtrust Privileged Remote Access
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- beyondtrust privileged_remote_access25.3.3 or later
- beyondtrust remote_support25.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| beyondtrust privileged_remote_access | v < 25.3.3 | 25.3.3 |
| beyondtrust remote_support | v < 25.3.3 | 25.3.3 |
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