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.)

highCVSS 7.7CVE-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.)

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.7
Published: 2026-07-08
Last updated: 2026-07-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-60002

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-600020.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-60002	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-60002: ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during…msrc

Recent advisories for ssh in OpenSSH

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-47829: Argument Injection in bosh-cli allows a compromised BOSH Director to inject arbitrary OpenSSH …nvd · 2026-07-09
highCVE-2026-60002: ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during…msrc · 2026-07-02