VulnerabilityAnalyzed
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.
CRITICAL 9.4EPSS 0.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 9.4 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- openbsd/openssh
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.