EUVD-2026-42142

In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not...

CVE-2026-59999

OpenSSH sshd (before 10.4) contains a configuration precedence bug: DisableForwarding=yes does not reliably override PermitTunnel=yes. This affects sshd, potentially allowing tunnel forwarding against policy. Affects OpenSSH sshd prior to 10.4; remediation is upgrading to OpenSSH 10.4p1 (per rele...

Linux: SSH PermitTunnel

PermitTunnel: Specifies whether tun device forwarding is allowed. The argument must be SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...