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TI-2026-69094 Aliases CVE-2026-106587GHSA-8fmq-pfxf-6hmc

OpenSSH sshd reads the configuration value none as a filename

Priority LOW 16CWE-843Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

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

Summary

OpenSSH before 10.6 has a type confusion flaw in sshd, where the configuration value "none" is sometimes read as a filename instead of disabling the feature (CWE-843). A local user with low privileges and a high-complexity attack condition can slightly affect integrity and availability. The flaw is not listed in CISA KEV, and no public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00085 0th percentileScored 2026-11-07
Fix Fixed OpenSSH (OpenBSD): 10.6Red Hat: 1 advisory

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 10.610.6Patch availableCNA
  • OpenSSH VendorOpenBSD Affected before 10.6 Fixed in 10.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*before 10.6VulnerableOpenBSD
  • cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* Versions before 10.6 Vulnerable ·OpenBSD

Remediation

Upgrade OpenSSH to 10.6, which fixes this flaw. Red Hat fixes it in Red Hat Hardened Images through RHSA-2026:82247.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA OpenSSH (OpenBSD) Fixed in 10.6

Red Hat 1 advisory

  • RHSA-2026:82247 Released 2026-10-13 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images openssh-10.5p1-1.2.hum1@aarch64, openssh-10.5p1-1.2.hum1@s390x, openssh-10.5p1-1.2.hum1@src +19

Fixed in the same release

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

  • Release ·

    OpenBSD OpenSSH 10.6

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-69092 Missing packet length check in OpenSSH sshd and ssh decompressionPriority LOW 34
    • TI-2026-69090 Injection via command-line usernames in OpenSSH ssh clientPriority LOW 33
    • TI-2026-69088 GSSAPI authentication state persists across attempts in OpenSSH sshdPriority LOW 32
    Show all 9 records →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:82247

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-106587
  2. 2026-10-07 Alias added: GHSA-8fmq-pfxf-6hmc
  3. 2026-10-09 CISA SSVC decision points changed
  4. 2026-10-09 CVSS score added · NVD
  5. 2026-10-20 Fix available: RHSA-2026:82247 · Red Hat
  6. 2026-10-20 Fix available: Red Hat Hardened Images · Red Hat
  7. 2026-10-20 CVSS score added · 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