CVE-2026-40140

Published Jul 6, 2026 Modified Jul 6, 2026 CWE-400

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.

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

References

Frequently Asked Questions

What is CVE-2026-40140? +
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.
How do I check if I'm vulnerable to CVE-2026-40140? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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