CVE-2026-60002

highCVSS 7.7covered by 2 sourcesfirst seen 2026-07-02

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.)

CSIRTS triage

vendor: OpenSSH product: sshOtheraffected: before 10.4

What: ssh can have a use-after-free when a server changes its host key during a key re-exchange.
Who is affected: Deployments of OpenSSH ssh before version 10.4 are affected.
Urgency: Remediation is urgent due to the high severity and potential for exploitation.
Action: Upgrade OpenSSH to version 10.4 or later.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

Advisory coverage (2)

highCVE-2026-60002: ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during…nvd · 2026-07-08
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

External references

NVD record for CVE-2026-60002

CVE.org record

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