What is CVE-2026-106587?

CVE-2026-106587 is a low-severity vulnerability in OpenBSD OpenSSH, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 3.6/10. Published 2026-10-06.

How severe is CVE-2026-106587?

Low severity. CVSS v3 base score is 3.6 out of 10.

Vulnerability in OpenBSD OpenSSH

CVE-2026-106587

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.

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

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L.

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-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

www.openssh.org/releasenotes.html

Frequently asked questions

What is CVE-2026-106587?: CVE-2026-106587 is a low-severity vulnerability in OpenBSD OpenSSH, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 3.6/10. Published 2026-10-06.
How severe is CVE-2026-106587?: Low severity. CVSS v3 base score is 3.6 out of 10.