Detections
Analytics

SCA: security update for golang.org/x/crypto/ssh (GHSA-78mq-xcr3-xm33)

high Tenable Cloud Security Plugin ID 443944

Description

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

 - SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or
 IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an
 error instead of panicking when these callbacks are nil. (CVE-2026-39835)

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-78mq-xcr3-xm33

Plugin Details

Severity: High

ID: 443944

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: Low

Score: 2.2

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-39835

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-2026-39835

cwe: CWE-295