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melange pipeline working-directory could allow command injection

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-24844

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-24844

Published

melange pipeline working-directory could allow command injection

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.

Source published
4 Feb 2026 19:31:55 UTC
Source modified
5 Feb 2026 14:33:09 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
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CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

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