What is CVE-2026-106582?

CVE-2026-106582 is a low-severity vulnerability in OpenBSD OpenSSH, classified under CWE-514. CVSS score: 3.7/10. Published 2026-10-06.

How severe is CVE-2026-106582?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in OpenBSD OpenSSH

CVE-2026-106582

In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings.

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

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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-514

References

www.openssh.org/releasenotes.html
arxiv.org/abs/2609.07709

Frequently asked questions

What is CVE-2026-106582?: CVE-2026-106582 is a low-severity vulnerability in OpenBSD OpenSSH, classified under CWE-514. CVSS score: 3.7/10. Published 2026-10-06.
How severe is CVE-2026-106582?: Low severity. CVSS v3 base score is 3.7 out of 10.