CVE-2026-59995

Severity CVSS v4.0:

Pending analysis

Type:

CWE-23 Relative Path Traversal

Publication date:

08/07/2026

Last modified:

08/07/2026

Description

sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.20 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

Base Score 3.x

4.20

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2
https://www.openssh.org/releasenotes.html#10.4p1
https://www.openwall.com/lists/oss-security/2026/07/06/5