Read the docs
TI-2026-51406 Aliases CVE-2026-73281GHSA-j58v-28m8-49f3

In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended…

Priority LOW 16CWE-669Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Partial Red Hat: 6 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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 [email protected] extension.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 5th percentileScored 2026-11-07
Fix Partial OpenSSH (OpenBSD): 10.5Red Hat: 4 advisoriesRed Hat: 6 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenBSDOpenSSHbefore 10.510.5Patch availableCNA
  • OpenSSH VendorOpenBSD Affected before 10.5 Fixed in 10.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*before 10.5VulnerableOpenBSD
  • cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* Versions before 10.5 Vulnerable ·OpenBSD

Remediation

  • Fix · CNA OpenSSH (OpenBSD) Fixed in 10.5

Red Hat 4 advisories

  • RHSA-2026:71603 Released 2026-09-24 · Red Hat rating Important
    Red Hat Update Infrastructure 5.3 security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-rhel9, registry.redhat.io/rhui5/cds-rhel9, registry.redhat.io/rhui5/haproxy-rhel9 +2
  • RHSA-2026:70719 Released 2026-09-23 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images openssh-10.5p1-1.hum1@aarch64, openssh-10.5p1-1.hum1@src, openssh-10.5p1-1.hum1@x86_64 +12
  • RHSA-2026:69130 Released 2026-09-21 · Red Hat rating Important
    openssh security update
    • Red Hat Enterprise Linux AppStream (v. 9) openssh-askpass-9.9p1-11.el9_8, pam_ssh_agent_auth-0.10.4-8.11.el9_8
    • Red Hat Enterprise Linux BaseOS (v. 9) openssh-9.9p1-11.el9_8, openssh-clients-9.9p1-11.el9_8, openssh-keycat-9.9p1-11.el9_8 +1
Show 1 more Red Hat advisories
  • RHSA-2026:69129 Released 2026-09-21 · Red Hat rating Important
    openssh security update
    • Red Hat Enterprise Linux AppStream (v. 10) openssh-askpass-9.9p1-27.el10_2, openssh-keysign-9.9p1-27.el10_2
    • Red Hat Enterprise Linux BaseOS (v. 10) openssh-9.9p1-27.el10_2, openssh-clients-9.9p1-27.el10_2, openssh-keycat-9.9p1-27.el10_2 +1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    OpenBSD OpenSSH 10.5

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-51407 Use after free in OpenBSD OpenSSHPriority LOW 21
    • TI-2026-51408 In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to…Priority LOW 12
    Show all 3 records →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 4AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 5AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:69129
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:69130
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:69129
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:69130
Red Hat Hardened ImagesFixed RHSA-2026:70719
Red Hat Update Infrastructure 5Fixed RHSA-2026:71603
Not affected: 5 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenShift Container Platform 4
  • Red Hat Update Infrastructure 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-73281
  2. 2026-10-03 Alias added: GHSA-j58v-28m8-49f3
  3. 2026-11-07 Affected versions changed · Red Hat

References

Other 1

  • TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2023-10601 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during… CVSS 3.1MEDIUM 6.5
  • TI-2018-11033 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying… CVSS 3.1MEDIUM 5.9
  • TI-2016-08105 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4… CVSS 3.1HIGH 7.3
  • TI-2023-28040 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host… CVSS 3.1MEDIUM 6.5
See all 145 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences