---
id: CVE-2026-106552
title: >-
  In sftp in OpenSSH before 10.6, a server can trigger directory traversal
  (causing files to be written to unintended locations) during a recursive copy
  operation.
summary: >-
  In sftp in OpenSSH before 10.6, a server can trigger directory traversal
  (causing files to be written to unintended locations) during a recursive copy
  operation.
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L'
cwe:
  - CWE-23
vendor: OpenBSD
product: OpenSSH
affected:
  - OpenSSH < 10.6
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T21:17:18.917'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106552'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T21:20:28.987Z'
---

## Overview

In sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended locations) during a recursive copy operation.

## Remediation

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