Detections
Analytics

SCA: security update for golang.org/x/crypto/ssh (GHSA-qpw4-5x99-6vjp)

medium Tenable Cloud Security Plugin ID 443969

Description

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

 - An authenticated SSH client that repeatedly opened channels which were rejected by the server caused
 unbounded memory growth, eventually crashing the server process and affecting all connected users.
 Rejected channels are now properly removed from the connection's internal state and released for garbage
 collection. (CVE-2026-39827)

Solution

Update the golang.org/x/crypto/ssh library and its related packages to version 0.52.0 or later.

See Also

https://github.com/advisories/GHSA-qpw4-5x99-6vjp

Plugin Details

Severity: Medium

ID: 443969

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 6/26/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-39827

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/25/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-39827

cwe: CWE-924