What is CVE-2026-24843?

CVE-2026-24843 is a high-severity vulnerability in Chainguard-dev Melange, classified under Path Traversal. CVSS score: 8.2/10. Published 2026-02-04.

How severe is CVE-2026-24843?

High severity. CVSS v3 base score is 8.2 out of 10.

Path Traversal in Chainguard-dev Melange

CVE-2026-24843

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…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H.

Affected products

Chainguard-dev Melange — versions >= 0.11.3, < 0.40.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/chainguard-dev/melange/security/advisories/GHSA-qxx2-7h4c-83f4 (x_refsource_CONFIRM)
https://github.com/chainguard-dev/melange/commit/6e243d0d46699f837d7c392397a694d2bcc7612b (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-24843?: CVE-2026-24843 is a high-severity vulnerability in Chainguard-dev Melange, classified under Path Traversal. CVSS score: 8.2/10. Published 2026-02-04.
How severe is CVE-2026-24843?: High severity. CVSS v3 base score is 8.2 out of 10.