Vulnerability · Published Aug 11, 2026 · Assigned by mitre

CVE-2026-73281

Low 3.5

In plain English

A low-severity security flaw 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 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.2%top 95.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, including operations that add tokens or use keys. This is caused by misinteraction between agent locking and the session-bind@openssh.com extension.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10openssh9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:9openssh9.9p1-11.el9_8.alma.1ALSA-2026:69130
AlmaLinux:10openssh-askpass9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:9openssh-askpass9.9p1-11.el9_8.alma.1ALSA-2026:69130
AlmaLinux:10openssh-clients9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:9openssh-clients9.9p1-11.el9_8.alma.1ALSA-2026:69130
AlmaLinux:10openssh-keycat9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:9openssh-keycat9.9p1-11.el9_8.alma.1ALSA-2026:69130
AlmaLinux:10openssh-keysign9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:10openssh-server9.9p1-27.el10_2.alma.1ALSA-2026:69129
AlmaLinux:9openssh-server9.9p1-11.el9_8.alma.1ALSA-2026:69130
AlmaLinux:9pam_ssh_agent_auth0.10.4-8.11.el9_8.alma.1ALSA-2026:69130
Alpine:v3.24openssh10.3_p1-r1ALPINE-CVE-2026-73281
Debian:12opensshno fix listedDEBIAN-CVE-2026-73281
Debian:13opensshno fix listedDEBIAN-CVE-2026-73281
Debian:14openssh1:10.5p1-1DEBIAN-CVE-2026-73281
Debian:14openssh-gssapi1:10.5p1-1DEBIAN-CVE-2026-73281
Rocky Linux:10openssh0:9.9p1-27.el10_2.rocky.0.1RLSA-2026:69129
Rocky Linux:9openssh0:9.9p1-11.el9_8.rocky.0.1RLSA-2026:69130
Ubuntu:22.04:LTSopenssh1:8.9p1-3ubuntu0.17UBUNTU-CVE-2026-73281
Ubuntu:22.04:LTSopenssh1:8.9p1-3ubuntu0.17USN-8721-1
Ubuntu:24.04:LTSopenssh1:9.6p1-3ubuntu13.19UBUNTU-CVE-2026-73281
Ubuntu:24.04:LTSopenssh1:9.6p1-3ubuntu13.19USN-8721-1
Ubuntu:26.04:LTSopenssh1:10.2p1-2ubuntu3.6USN-8721-1
Ubuntu:26.04:LTSopenssh1:10.2p1-2ubuntu3.6UBUNTU-CVE-2026-73281
Ubuntu:22.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-73281
Ubuntu:24.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-73281
Ubuntu:26.04:LTSopenssh-ssh1no fix listedUBUNTU-CVE-2026-73281
Ubuntu:26.10openssh-ssh1no fix listedUBUNTU-CVE-2026-73281

Affected products (as reported)

VendorProductVersions
OpenBSD OpenSSH 0 – before 10.5

Weakness: CWE-669 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N

References