CVE-2026-106583: OpenBSD OpenSSH

Low severity, CVSS 2.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.

Affected products

• OpenBSD OpenSSH: before 10.6 (fixed in 10.6)

Published 2026-10-07. Last modified 2026-10-07.