CVE detail
CVE-2026-40138
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
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 2
- within the 30d window
- Peak daily
- 1
- highest bucket
Evidence
Source links by recency
2 source links · newest first
d, could allow unauthenticated attackers to take control of susceptible devices. The vulnerabilities are listed below - CVE-2026-40138 (CVSS score: 9.2) - A pre-authentication vulnerability exists in the
newsthehackernews.comJul 7, 2026, 5:16 AM- https://www.beyondtrust.com/trust-center/security-advisories/bt26-03www.beyondtrust.com
No excerpt available.
Vendor Advisorywww.beyondtrust.comJul 6, 2026, 5:16 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-40139CVSS 9.2 · Critical
A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unaut…
- CVE-2025-0217CVSS 7.3 · High
BeyondTrust Privileged Remote Access (PRA) versions prior to 25.1 are vulnerable to a local authentication bypass. A local authenticated attacker can view the connection details o…
- CVE-2023-23632CVSS 7.8 · High
BeyondTrust Privileged Remote Access (PRA) versions 22.2.x to 22.4.x are vulnerable to a local authentication bypass. Attackers can exploit a flawed secret verification process in…
- CVE-2026-40141CVSS 8.5 · High
A high-severity vulnerability exists in a web application component of BeyondTrust Remote Support and Privileged Remote Access related to the processing of certain input parameter…
- CVE-2026-40140CVSS 8.7 · High
BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of…
- CVE-2026-1731CVSS 9.9 · Critical
BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending…