Main Vulnerability Database Vulnerabilities #VU136965

Improper Authentication in Remote Support and Privileged Remote Access (PRA) - CVE-2026-40139

Published: July 7, 2026

Vulnerability identifier: #VU136965

CSH Severity: High

CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-40139

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper processing of authentication requests. A remote attacker can bypass access controls and gain unauthorized access to the appliance.

Affected software

Remote Support
Privileged Remote Access (PRA)

How to mitigate CVE-2026-40139

Install updates from vendor's website.

Remote Support - update to 25.3.3
Privileged Remote Access (PRA) - update to 25.3.3

External References

https://www.beyondtrust.com/trust-center/security-advisories/bt26-03

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