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CVE-2026-29049

4.3 · MEDIUM

melange allows users to build apk packages using declarative pipelines.

Published Mar 6, 2026CWE-400EPSS 0.41%

Overview

CVE-2026-29049 is a medium-severity vulnerability. It was published on March 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.go). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runne. Version 0.43.4 contains a patch.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/chainguard-dev/melange/commit/652ca5af08588f78e2d405e64b058fac8398d23fGitHubgithub.com/chainguard-dev/melange/pull/2379GitHubgithub.com/chainguard-dev/melange/releases/tag/v0.43.4GitHubgithub.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc

How CyberStrike helps

Frequently asked questions

What is CVE-2026-29049?

CVE-2026-29049 is a medium-severity vulnerability. It was published on March 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-29049?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-29049?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-29049?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-29049 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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