CVE-2026-106589

Name	CVE-2026-106589
Description	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	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssh (PTS)	bookworm	1:9.2p1-2+deb12u10	fixed
	bookworm (security)	1:9.2p1-2+deb12u9	fixed
	trixie	1:10.0p1-7+deb13u4	fixed
	trixie (security)	1:10.0p1-7+deb13u2	fixed
	forky, sid	1:10.6p1-1	fixed
openssh-gssapi (PTS)	forky, sid	1:10.6p1-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openssh	source	(unstable)	(not affected)
openssh-gssapi	source	(unstable)	(not affected)

Notes

- openssh <not-affected> (Doesn't affect OpenSSH on Linux)
- openssh-gssapi <not-affected> (Doesn't affect OpenSSH on Linux)
https://www.openssh.org/releasenotes.html#10.6