This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-106589 →

DEBIAN-CVE-2026-106589

In sshd in OpenSSH through 10.6, in certain environments such as QNX 6 and SCO OpenServer 5, sshd-session can unexpectedly have root privileges. This...

Original description

The description as published by the source.

In sshd in OpenSSH through 10.6, in certain environments such as QNX 6 and SCO OpenServer 5, sshd-session can unexpectedly have root privileges. This is related to the GatewayPorts and StreamLocalForwarding configuration options, and lack of support for file-descriptor passing and unprivileged allocation of PTY devices.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 openssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 openssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 openssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

advisory security-tracker.debian.org