Vulnerability in Chainguard-dev Apko
CVE-2025-53945
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. V…
EPSS: 0.001 (21.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L.
Affected products
- Chainguard-dev Apko — versions >= 0.27.0, < 0.29.5
Weakness classification (CWE)
References
- https://github.com/chainguard-dev/apko/security/advisories/GHSA-x6ph-r535-3vjw (x_refsource_CONFIRM)
- https://github.com/chainguard-dev/apko/commit/04f37e2d50d5a502e155788561fb7d40de705bd9 (x_refsource_MISC)
- https://github.com/chainguard-dev/apko/commit/aedb0772d6bf6e74d8f17690946dbc791d0f6af3 (x_refsource_MISC)
- https://github.com/chainguard-dev/apko/releases/tag/v0.27.0 (x_refsource_MISC)
- https://github.com/chainguard-dev/apko/releases/tag/v0.29.5 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-53945?
- CVE-2025-53945 is a high-severity vulnerability in Chainguard-dev Apko, classified under Incorrect Default Permissions. CVSS score: 7.0/10. Published 2025-07-18.
- How severe is CVE-2025-53945?
- High severity. CVSS v3 base score is 7.0 out of 10.