CVE-2026-60002 — HIGH (7.7)

Q: What is CVE-2026-60002?

CVE-2026-60002 is a vulnerability with a CVSS score of 7.7 (HIGH). 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.)

Q: How severe is CVE-2026-60002?

CVE-2026-60002 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-60002?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh.

Vulnerability 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 Score

7.7

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Openbsd	Openssh	< 10.4

Related Weaknesses (CWE)

CWE-416

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 ListRelease Notes

FAQ

What is CVE-2026-60002?

CVE-2026-60002 is a vulnerability with a CVSS score of 7.7 (HIGH). 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.)

How severe is CVE-2026-60002?

CVE-2026-60002 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-60002?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh.