CVE-2026-106587 Misconfiguration in OpenSSH

Low 3.6 Published 6 Oct 2026 Updated 9 Oct 2026

OpenSSH sshd may misinterpret the 'none' configuration value as a filename, potentially bypassing intended security feature disablement.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-106587?

CVE-2026-106587 is a low-severity vulnerability in OpenSSH, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled.

Weakness: CWE-843

Which versions are affected by CVE-2026-106587?

It affects 1 product.

Products include OpenSSH.

How do I fix CVE-2026-106587?

Upgrade to a fixed version.

Is CVE-2026-106587 being exploited?

There is no known exploitation of CVE-2026-106587 in the wild and no public exploit code.

All OpenSSH vulnerabilities

Sources

Also known as AZL-106682, BELL-CVE-2026-106587, DEBIAN-CVE-2026-106587, ECHO-78c2-1651-b07e, GHSA-8fmq-pfxf-6hmc, UBUNTU-CVE-2026-106587.