OESA-2026-3351 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 scp in OpenSSH before 10.4 may place a file in the...

OESA-2026-3349 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 internal-sftp in sshd in OpenSSH before 10.4...

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

...

CVE-2026-59999

A flaw was found in sshd, the OpenSSH server daemon. When DisableForwarding=yes is configured to prevent network traffic forwarding, it incorrectly fails to take precedence over PermitTunnel=yes. This allows a remote attacker to bypass intended security restrictions and establish a tunnel,...

AZL-92051 CVE-2026-59999 affecting package openssh for versions less than 9.8p1-9

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

ALPINE-CVE-2026-59999

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

DEBIAN-CVE-2026-59999

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

CVE-2026-59999

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

CVE-2026-59999

CVE-2026-59999 affects OpenSSH sshd prior to 10.4, where the intended precedence of DisableForwarding=yes over PermitTunnel=yes did not hold. The available documents confirm the root cause is an ordering/precedence bug in sshd, but do not provide concrete details on affected product versions beyo...

CVE-2026-59999

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

CVE-2026-59999

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

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

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

CVE-2026-59999

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

CVE-2026-59999

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

CVE-2026-59999: Use of Less Trusted Source

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

CVE-2026-59999: Use of Less Trusted Source

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

PT-2026-56290

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.4 Description In sshd, the configuration setting DisableForwarding=yes failed to take precedence over PermitTunnel=yes, allowing tunnel forwarding even when it should have been disabled. Recommendations Update to...

Linux Distros Unpatched Vulnerability : CVE-2026-59999

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not. CVE-2026-59999 Note that Nessus relies...

JLSEC-2026-73 In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation...

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding...