CVE-2026-60002 PUBLISHED

Assigner: mitre
Reserved: 08.07.2026 Published: 08.07.2026 Updated: 08.07.2026

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.)

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 7.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	OpenBSD
Product	OpenSSH
Versions	Default: unaffected affected from 0 to 10.4 (excl.)

References

https://www.openwall.com/lists/oss-security/2026/07/06/5
https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2
https://www.openssh.org/releasenotes.html#10.4p1

Problem Types

CWE-416 Use After Free CWE