CVE-2026-24844

HIGH

7.9

Description

melange allows users to build apk packages using declarative pipelines. From version 0.3.0 to before 0.40.3, an attacker who can provide build input values, but not modify pipeline definitions, could execute arbitrary shell commands if the pipeline uses ${{vars.*}} or ${{inputs.*}} substitutions in working-directory. The field is embedded into shell scripts without proper quote escaping. This issue has been patched in version 0.40.3.

CVE Details

CVSS v3.1 Score7.9

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/4/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

chainguard:melange

Weaknesses (CWE)

CWE-78

References

https://github.com/chainguard-dev/melange/commit/e51ca30cfb63178f5a86997d23d3fff0359fa6c8(security-advisories@github.com)

https://github.com/chainguard-dev/melange/security/advisories/GHSA-vqqr-rmpc-hhg2(security-advisories@github.com)

IOC Correlations

No correlations recorded

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