CVE-2026-106552: 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.

Overview

Severity

Medium (CVSS 4.2)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-08

EPSS Score

0.29% (percentile: 19.9%)

Affected Products (1)

Other

• 21837-17084

Revision History

• 2026-10-08: Information published.