Echo: busybox: security update to 1:1.38.0-1

high Tenable Self-Hosted Container Security Plugin ID 465034

Description

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

- A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended
extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink
entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege
escalation, enabling an attacker to gain unauthorized access to critical system files. (CVE-2026-26158)

Solution

Update the busybox library and its related packages to version 1:1.38.0-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-26158

Plugin Details

Severity: High

ID: 465034

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.52

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-26158

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/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: 6/1/2026

Vulnerability Publication Date: 2/11/2026

Reference Information

CVE: CVE-2026-26158