Detections
Analytics

SCA: security update for SSH.NET (GHSA-q939-rpr3-3284)

high Tenable Cloud Security Plugin ID 446069

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - SSH.NET is a Secure Shell (SSH) library for .NET. In 2025.1.0 and earlier, ScpClient.Download(string
 directoryName, DirectoryInfo directoryInfo) trusts file and directory names returned by a remote SCP
 server and combines them with the requested local directory without containment validation, allowing a
 malicious, compromised, or man-in-the-middle server to use ../ sequences or absolute paths to create or
 overwrite files anywhere writable by the client process. This issue is fixed in version 2026.0.0.
 (CVE-2026-48798)

Solution

Update the SSH.NET library and its related packages to version 2026.0.0 or later.

See Also

https://github.com/advisories/GHSA-q939-rpr3-3284

Plugin Details

Severity: High

ID: 446069

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/18/2026

Updated: 8/18/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.82

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:P

CVSS Score Source: CVE-2026-48798

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2026

Vulnerability Publication Date: 8/12/2026

Reference Information

CVE: CVE-2026-48798