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 is related to the GatewayPorts and StreamLocalForwarding configuration options, and lack of support for file-descriptor passing and unprivileged allocation of PTY devices.

Overview

Severity
Low (CVSS 2.9)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Oct
Released
2026-10-08
EPSS Score
0.08% (percentile: 0.2%)

Affected Products (1)

Other

  • 21837-17084

Revision History

  • 2026-10-08: Information published.