Security Advisory

CVE-2026-24843

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-04 19:31:35

Last updated 2026-02-05 14:33:15

Assigner GitHub_M

State PUBLISHED

Description

melange allows users to build apk packages using declarative pipelines. In version 0.11.3 to before 0.40.3, an attacker who can influence the tar stream from a QEMU guest VM could write files outside the intended workspace directory on the host. The retrieveWorkspace function extracts tar entries without validating that paths stay within the workspace, allowing path traversal via ../ sequences. This issue has been patched in version 0.40.3.

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