SCA: security update for knowns (GHSA-mc52-mwq4-vfx3)

high Tenable Self-Hosted Container Security Plugin ID 473531

Description

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

- knowns versions before 0.30.0 fail to validate the settings.lsp.languages binary field in project
configuration files, allowing attackers to execute arbitrary binaries by crafting a malicious
.knowns/config.json file. When a repository with a crafted configuration is opened, the unvalidated binary
path is executed twice under the user's account without any verification. (CVE-2026-86540)

Solution

Update the knowns library and its related packages to version 0.30.0 or later.

See Also

https://github.com/advisories/GHSA-mc52-mwq4-vfx3

Plugin Details

Severity: High

ID: 473531

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.23

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-86540

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2026

Vulnerability Publication Date: 9/7/2026

Reference Information

CVE: CVE-2026-86540