CVE-2026-106589
No fix known EPSS <1%CVSS 2.9
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.
Products: openbsd openssh
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | openssh | no fix |
| Debian 13 | openssh | no fix |
| Debian 14 | openssh | no fix |
| Ubuntu 18.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 20.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 22.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 24.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 26.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 26.10 | openssh-ssh1 | no fix |