CVE-2025-53945: Chainguard-Dev Apko

High severity, CVSS 7.0. EPSS: 0.1% chance of exploitation in the next 30 days.

apko allows users to build and publish OCI container images built from apk packages. Starting in version 0.27.0 and prior to version 0.29.5, critical files were inadvertently set to 0666, which could likely be abused for root escalation. Version 0.29.5 contains a fix for the issue.

Affected products

• Chainguard-Dev Apko: from 0.27.0, before 0.29.5 (fixed in 0.29.5)

Published 2025-07-18. Last modified 2026-06-17.