---
id: CVE-2026-73283
title: >-
  In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was
  supposed to be applicable to tunnel forwarding but was not.
summary: >-
  In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was
  supposed to be applicable to tunnel forwarding but was not.
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-305
vendor: openbsd
product: openssh
affected:
  - openssh < 10.5
patched:
  - openssh 10.5
published: '2026-08-11'
updated: '2026-09-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73283'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.5'
    label: cve@mitre.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73283.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-73283'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2514321'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-73283'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73283'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69129'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69130'
  - url: 'https://access.redhat.com/errata/RHSA-2026:70719'
  - url: 'https://access.redhat.com/errata/RHSA-2026:71603'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00091
epssPercentile: 0.00454
ingestedAt: '2026-09-05T15:41:16.786Z'
scores:
  nvd: 2.5
  vendor: 5.4
---

## Overview

In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.

## Affected

- `openssh < 10.5`

## Remediation

Upgrade past the affected range:

- `openssh 10.5`

## Vendor advisories

- **RHSA-2026:69129** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69129)
- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73283.json)
- **RHSA-2026:69130** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69130)
- **RHSA-2026:70719** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-23 · [advisory](https://access.redhat.com/errata/RHSA-2026:70719)
- **RHSA-2026:71603** · Red Hat · fixed in: Red Hat Update Infrastructure 5 · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71603)