What is CVE-2026-29051?

CVE-2026-29051 is a medium-severity vulnerability in Chainguard-dev Melange, classified under Path Traversal. CVSS score: 4.4/10. Published 2026-04-24.

How severe is CVE-2026-29051?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Path Traversal in Chainguard-dev Melange

CVE-2026-29051

melange allows users to build apk packages using declarative pipelines. Starting in version 0.32.0 and prior to version 0.43.4, `melange lint --persist-lint-results` (opt-in flag, also usable via `melange build --persist-lint-results`) con…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.

Affected products

Chainguard-dev Melange — versions >= 0.32.0, < 0.43.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/chainguard-dev/melange/security/advisories/GHSA-q2pw-xx38-p64j (x_refsource_CONFIRM)
https://github.com/chainguard-dev/melange/commit/84f3b450ce6e472c4abb8dc4c26d0ce8ac1259ac (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-29051?: CVE-2026-29051 is a medium-severity vulnerability in Chainguard-dev Melange, classified under Path Traversal. CVSS score: 4.4/10. Published 2026-04-24.
How severe is CVE-2026-29051?: Medium severity. CVSS v3 base score is 4.4 out of 10.