Vulnerability · Published Jul 8, 2026 · Assigned by mitre

CVE-2026-60002

High 7.7

In plain English

A high-severity use-after-free in OpenSSH from OpenBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.3%top 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10openssh9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:9openssh9.9p1-9.el9_8.alma.1ALSA-2026:47756
AlmaLinux:10openssh-askpass9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:9openssh-askpass9.9p1-9.el9_8.alma.1ALSA-2026:47756
AlmaLinux:10openssh-clients9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:9openssh-clients9.9p1-9.el9_8.alma.1ALSA-2026:47756
AlmaLinux:10openssh-keycat9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:9openssh-keycat9.9p1-9.el9_8.alma.1ALSA-2026:47756
AlmaLinux:10openssh-keysign9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:10openssh-server9.9p1-25.el10_2.alma.1ALSA-2026:47757
AlmaLinux:9openssh-server9.9p1-9.el9_8.alma.1ALSA-2026:47756
AlmaLinux:9pam_ssh_agent_auth0.10.4-7.9.el9_8.alma.1ALSA-2026:47756
Alpine:v3.24openssh10.3_p1-r1ALPINE-CVE-2026-60002
Debian:12opensshno fix listedDEBIAN-CVE-2026-60002
Debian:13opensshno fix listedDEBIAN-CVE-2026-60002
Debian:14openssh1:10.4p1-1DEBIAN-CVE-2026-60002
Rocky Linux:10openssh0:9.9p1-25.el10_2.rocky.0.1RLSA-2026:47757
Rocky Linux:9openssh0:9.9p1-9.el9_8.rocky.0.1RLSA-2026:47756
Ubuntu:22.04:LTSopenssh1:8.9p1-3ubuntu0.16USN-8533-1
Ubuntu:22.04:LTSopenssh1:8.9p1-3ubuntu0.16UBUNTU-CVE-2026-60002
Ubuntu:24.04:LTSopenssh1:9.6p1-3ubuntu13.18UBUNTU-CVE-2026-60002
Ubuntu:24.04:LTSopenssh1:9.6p1-3ubuntu13.18USN-8533-1
Ubuntu:25.10opensshno fix listedUBUNTU-CVE-2026-60002
Ubuntu:26.04:LTSopenssh1:10.2p1-2ubuntu3.4USN-8533-1
Ubuntu:26.04:LTSopenssh1:10.2p1-2ubuntu3.4UBUNTU-CVE-2026-60002
Ubuntu:22.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-60002
Ubuntu:24.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-60002
Ubuntu:25.10openssh-ssh1no fix listedUBUNTU-CVE-2026-60002
Ubuntu:26.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-60002
Ubuntu:26.10openssh-ssh1no fix listedUBUNTU-CVE-2026-60002

Affected products (as reported)

VendorProductVersions
OpenBSD OpenSSH 0 – before 10.4

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

References