What is CVE-2026-29050?

CVE-2026-29050 is a medium-severity vulnerability in Chainguard Melange, classified under Path Traversal. CVSS score: 6.1/10. Published 2026-04-24.

How severe is CVE-2026-29050?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Path Traversal in Chainguard Melange

CVE-2026-29050

melange allows users to build apk packages using declarative pipelines. Starting in version 0.32.0 and prior to version 0.43.4, an attacker who can influence a melange configuration file — for example through pull-request-driven CI or buil…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-29050?: CVE-2026-29050 is a medium-severity vulnerability in Chainguard Melange, classified under Path Traversal. CVSS score: 6.1/10. Published 2026-04-24.
How severe is CVE-2026-29050?: Medium severity. CVSS v3 base score is 6.1 out of 10.