What is CVE-2026-60002?

CVE-2026-60002 is a high-severity vulnerability in OpenBSD OpenSSH, classified under Use After Free. CVSS score: 7.7/10. Published 2026-07-08.

How severe is CVE-2026-60002?

High severity. CVSS v3 base score is 7.7 out of 10.

Use After Free in OpenBSD OpenSSH

CVE-2026-60002

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)

Vulnerability class: Use-After-Free

EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Openbsd Openssh — versions 0

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2026-60002?: CVE-2026-60002 is a high-severity vulnerability in OpenBSD OpenSSH, classified under Use After Free. CVSS score: 7.7/10. Published 2026-07-08.
How severe is CVE-2026-60002?: High severity. CVSS v3 base score is 7.7 out of 10.