Vulnerability in OpenBSD OpenSSH

CVE-2026-106588

In sshd in OpenSSH through 10.6, use of the macOS 27 (or later) SDK has the side effect of loss of sandboxing, which is potentially unexpected.

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

OpenBSD OpenSSH

Weakness classification (CWE)

CWE-653

References

www.openssh.org/releasenotes.html

Frequently asked questions

What is CVE-2026-106588?: CVE-2026-106588 is a low-severity vulnerability in OpenBSD OpenSSH, classified under CWE-653. CVSS score: 3.1/10. Published 2026-10-06.
How severe is CVE-2026-106588?: Low severity. CVSS v3 base score is 3.1 out of 10.