CVE-2026-40138
8.1 · HIGHOverview
CVE-2026-40138 is a high-severity vulnerability affecting beyondtrust privileged_remote_access. It was published on July 6, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from beyondtrust. Update privileged_remote_access to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| beyondtrust | privileged_remote_access | >= 0, < 25.3.3 | Affected |
| beyondtrust | remote_support | >= 0, < 25.3.3 | Affected |
Frequently Asked Questions
What is CVE-2026-40138?
CVE-2026-40138 is a high-severity vulnerability affecting beyondtrust privileged_remote_access. It was published on July 6, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2026-40138?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-40138?
Check the references section for vendor advisories and patches from beyondtrust. Update privileged_remote_access to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-40138?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-40138 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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