---
id: CVE-2026-106586
title: >-
  In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was
  supposed to be applicable to tunnel forwarding but was not, a different
  vulnerability than CVE-2026-73283.
summary: >-
  In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was
  supposed to be applicable to tunnel forwarding but was not, a different
  vulnerability than CVE-2026-73283.
severity: low
cvss: 2.5
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-670
  - CWE-267
vendor: openbsd
product: openssh
affected:
  - openssh < 10.6
patched:
  - openssh 10.6
published: '2026-10-06'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:39:21.643'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106586'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106586.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-106586'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2547584'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-106586'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106586'
  - url: 'https://access.redhat.com/errata/RHSA-2026:82247'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00124
epssPercentile: 0.02116
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-07T16:19:59.160881Z'
ingestedAt: '2026-10-06T21:20:28.989Z'
---

## Overview

In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.

## Affected

- `openssh < 10.6`

## Remediation

Upgrade past the affected range:

- `openssh 10.6`

## Vendor advisories

- **RHSA-2026:82247** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:82247)