CVE-2026-60002CWE-416

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange

High · published July 8, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
21.5
In the wild
Unconfirmed
What it is

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.)

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00300 · 21.5th percentile
Weakness
CWE-416 · Use After Free
Published
2026-07-08T00:17Z
EPSS history
Timeline
  • 08 JUL 00:17Z
    ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange
    cvelistv5