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CVE-2025-53945

apko has incorrect permission (0666) in /etc/ld.so.cache and other files

CVSS 7 HIGHEPSS 0.1%CWE-276
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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
Affected products
chainguard-dev · apko

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References
https://github.com/chainguard-dev/apko/commit/04f37e2d50d5a502e155788561fb7d40de705bd9https://github.com/chainguard-dev/apko/commit/aedb0772d6bf6e74d8f17690946dbc791d0f6af3https://github.com/chainguard-dev/apko/releases/tag/v0.27.0https://github.com/chainguard-dev/apko/releases/tag/v0.29.5https://github.com/chainguard-dev/apko/security/advisories/GHSA-x6ph-r535-3vjw