What is CVE-2026-59996?

CVE-2026-59996 is a medium-severity vulnerability in OpenBSD OpenSSH, classified under Relative Path Traversal. CVSS score: 4.2/10. Published 2026-07-08.

How severe is CVE-2026-59996?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Path Traversal in OpenBSD OpenSSH

CVE-2026-59996

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.

EPSS: 0.003 (16.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L.

Affected products

Openbsd Openssh — versions 0

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

cve@mitre.org (Mailing List, Release Notes)
cve@mitre.org (Release Notes)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2026-59996?: CVE-2026-59996 is a medium-severity vulnerability in OpenBSD OpenSSH, classified under Relative Path Traversal. CVSS score: 4.2/10. Published 2026-07-08.
How severe is CVE-2026-59996?: Medium severity. CVSS v3 base score is 4.2 out of 10.