CVE detail
CVE-2026-40139
A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote 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 6.9 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 1
- within the 30d window
- Peak daily
- 1
- highest bucket
Evidence
Source links by recency
1 source links · newest first
- 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-2026-40138CVSS 9.2 · Critical
A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authenticatio…
- 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…