What is CVE-2026-29049?

CVE-2026-29049 is a medium-severity vulnerability in Chainguard-dev Melange, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-03-06.

How severe is CVE-2026-29049?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Chainguard-dev Melange

CVE-2026-29049

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (15.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Chainguard-dev Melange — versions <= 0.40.5

Weakness classification (CWE)

References

https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-29049?: CVE-2026-29049 is a medium-severity vulnerability in Chainguard-dev Melange, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-03-06.
How severe is CVE-2026-29049?: Medium severity. CVSS v3 base score is 4.3 out of 10.