CVE-2026-60002
criticalssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange.
Vendor / product: Openbsd — openssh
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.)
CVSS
9.4
9.4 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-08 01:16
Modified: 2026-10-25 20:10
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openbsd / openssh <10.4
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2 cve@mitre.org
- https://www.openssh.org/releasenotes.html#10.4p1 cve@mitre.org
- https://www.openwall.com/lists/oss-security/2026/07/06/5 cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗