A flaw was found in OpenSSH. During an sftp copy, a malicious server can supply an empty name, a slash-only path, or a ".." basename that sftp uses as the local destination, writing outside the directory the user selected.

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Fixes

Solution

No solution given by the vendor.


Workaround

Do not use sftp to copy from a server you do not trust. There is no configuration switch that closes this path.

History

Thu, 15 Oct 2026 05:45:00 +0000

Type Values Removed Values Added
Description A flaw was found in OpenSSH. During an sftp copy, a malicious server can supply an empty name, a slash-only path, or a ".." basename that sftp uses as the local destination, writing outside the directory the user selected.
Title Openssh: openssh: sftp can write outside the destination directory from a server-supplied path
First Time appeared Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
Weaknesses CWE-22
CPEs cpe:/a:redhat:hummingbird:1
cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-15T05:24:59.657Z

Reserved: 2026-10-15T04:33:22.976Z

Link: CVE-2026-110923

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T06:17:01.030

Modified: 2026-10-15T06:17:01.030

Link: CVE-2026-110923

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses