SCA: security update for chainguard.dev/melange (GHSA-rf4g-89h5-crcr)

high Tenable Cloud Security Plugin ID 437507

Description

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

- melange allows users to build apk packages using declarative pipelines. From version 0.10.0 to before
0.40.3, an attacker who can influence inputs to the patch pipeline could execute arbitrary shell commands
on the build host. The patch pipeline in pkg/build/pipelines/patch.yaml embeds input-derived values
(series paths, patch filenames, and numeric parameters) into shell scripts without proper quoting or
validation, allowing shell metacharacters to break out of their intended context. The vulnerability
affects the built-in patch pipeline which can be invoked through melange build and melange license-check
operations. An attacker who can control patch-related inputs (e.g., through pull request-driven CI, build-
as-a-service, or by influencing melange configurations) can inject shell metacharacters such as backticks,
command substitutions $(…), semicolons, pipes, or redirections to execute arbitrary commands with the
privileges of the melange build process. This issue has been patched in version 0.40.3. (CVE-2026-25143)

See Also

https://github.com/advisories/GHSA-rf4g-89h5-crcr

Plugin Details

Severity: High

ID: 437507

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 2/4/2026

Updated: 6/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-25143

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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: 2/4/2026

Vulnerability Publication Date: 2/4/2026

Reference Information

CVE: CVE-2026-25143

cwe: CWE-78