Critical ScreenConnect flaw can let attackers misuse server authentication material

ConnectWise has disclosed a critical ScreenConnect vulnerability that could let attackers gain unauthorized access if they obtain server-level cryptographic material used for authentication. The flaw, tracked as CVE-2026-3564, affects ScreenConnect versions earlier than 26.1 and carries a CVSS 3.1 score of 9.0. The issue centers on how older ScreenConnect releases handled machine key material tied […] The post Critical ScreenConnect flaw can let attackers misuse server authentication material appeared first on VPN Central.