---
id: CVE-2026-106583
title: >-
  In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line
  username, leading to injection.
summary: >-
  In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line
  username, leading to injection.
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-99
vendor: OpenBSD
product: OpenSSH
affected:
  - OpenSSH < 10.6
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T00:17:20.743'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106583'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-07T00:26:32.093Z'
---

## Overview

In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.