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Critical 9.4Published Jul 8, 2026
CVE-2026-60002ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange.
Updated under an hour ago ()
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It affects openbsd openssh. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
openbsd openssh openbsd:openssh | before 10.4 | NVD |
References
- https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2release-notes
- https://www.openssh.org/releasenotes.html#10.4p1release-notes
- https://www.openwall.com/lists/oss-security/2026/07/06/5mailing-list, release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.