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CVE-2026-42574

7.5 · HIGH

apko allows users to build and publish OCI container images built from apk packages.

Published May 9, 2026CWE-22EPSS 0.51%

Overview

CVE-2026-42574 is a high-severity vulnerability. It was published on May 9, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before version 1.2.5, a crafted .apk could install a TypeSymlink tar entry whose target pointed outside the build root, and a subsequent directory-creation or file-write entry in the same or later archive could traverse that symlink to reach host paths the build user could write to. This issue has been patched in version 1.2.5.

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/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442GitHubgithub.com/chainguard-dev/apko/pull/2187GitHubgithub.com/chainguard-dev/apko/releases/tag/v1.2.5GitHubgithub.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6

How CyberStrike helps

Frequently asked questions

What is CVE-2026-42574?

CVE-2026-42574 is a high-severity vulnerability. It was published on May 9, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-42574?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-42574?

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-2026-42574?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-42574 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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