BeyondTrust warns of critical flaws in remote access software
BeyondTrust warns of critical flaws in Remote Support and Privileged Remote Access software.
BeyondTrust has issued a warning about two critical vulnerabilities in its Remote Support (RS) and Privileged Remote Access (PRA) software. These flaws, CVE-2026-40138 and CVE-2026-40139, could allow unauthenticated attackers to bypass authentication and gain unauthorized access under specific configurations. The company has released patches and urges customers to update their systems, noting that similar past vulnerabilities have been exploited by threat actors, including the nation-state group Silk Typhoon.
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The lesson from this incident
Full lessonTwo critical vulnerabilities in BeyondTrust's Remote Support and Privileged Remote Access software allow unauthenticated attackers to bypass authentication entirely under certain configurations, representing a severe risk to enterprise environments. Remote access tools are high-value targets because they often sit at the perimeter of networks with elevated privileges, making unpatched flaws a direct gateway for threat actors. The involvement of nation-state group Silk Typhoon in exploiting similar past BeyondTrust vulnerabilities underscores that these are not theoretical risks — they are actively weaponized. Organizations that delay patching internet-facing privileged access infrastructure face existential exposure, as attackers can leverage these footholds to pivot deep into internal systems.
What helps against this
How we list vendors- Zero trust network access (ZTNA)
Remote access no longer means exposing VPN appliances to the internet.
- Vulnerability scanning and prioritisation
You know which systems are vulnerable, and which ones to fix first.
- Automated patch management
Known holes get closed in days, not months.
Indicators of Compromise
Extracted by AI from the linked source. Not reviewed by an editor. How this works
- cve — CVE-2026-40138
- cve — CVE-2026-40139
- cve — CVE-2026-40140
- cve — CVE-2026-40141
- cve — CVE-2026-1731
- cve — CVE-2024-12356
- cve — CVE-2024-12686