Security Advisory

CVE-2026-42576

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-09 19:26:56

Last updated 2026-05-11 14:57:58

Assigner GitHub_M

CVSS score 6.5

State PUBLISHED

Description

apko allows users to build and publish OCI container images built from apk packages. Prior to version 1.2.7, DiscoverKeys in pkg/apk/apk/implementation.go unconditionally type-asserts JWKS keys as *rsa.PublicKey without checking the key type. If a repository JWKS endpoint returns a non-RSA key (e.g. EC), the unchecked assertion panics and crashes apko. This affects any workflow that initializes the APK database and fetches repository keys. This issue has been patched in version 1.2.7.

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