CVE-2026-91949

CVE-2026-91949

[GHSA-x7v6-xfx3-52j6: FreeRDP server continues after negotiation failure and dispatches a failure code as RDSTLS]

CVE-2026-91949

FreeRDP server versions before 3.31.0 contain a protocol negotiation b ...

GHSA-hcpv-8ff6-4xx8

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS handshake and enter RDSTLS to bypass pre-authentication transport restrictions.