Detections
Analytics

SCA: security update for golang.org/x/crypto/ssh (GHSA-vgwf-h737-ff37)

high Tenable Self-Hosted Container Security Plugin ID 443968

Description

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

 - A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking
 the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a
 resource leak per connection. Unsolicited global responses are now discarded. (CVE-2026-39830)

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-vgwf-h737-ff37

Plugin Details

Severity: High

ID: 443968

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 6/26/2026

Updated: 6/30/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-39830

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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-2026-39830

cwe: CWE-119