What’s Vulnerable › Vulnerabilities

CVE-2025-53945: apko has incorrect permission (0666) in /etc/ld.so.cache and other files

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-18 · updated 2026-06-17
• Weakness: CWE-276

Description

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, < 0.29.5

References

• https://github.com/chainguard-dev/apko/commit/04f37e2d50d5a502e155788561fb7d40de705bd9
• https://github.com/chainguard-dev/apko/commit/aedb0772d6bf6e74d8f17690946dbc791d0f6af3
• https://github.com/chainguard-dev/apko/releases/tag/v0.27.0
• https://github.com/chainguard-dev/apko/releases/tag/v0.29.5
• https://github.com/chainguard-dev/apko/security/advisories/GHSA-x6ph-r535-3vjw

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