CVE-2026-42576

MediumCVSS 6.5/10Last modified Jul 24, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-704

Affected software

No affected versions have been published.

Timeline

Published
May 9, 2026
Last modified
Jul 24, 2026
NVD status
Deferred

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CVE-2026-42576: Medium severity, CVSS 6.5 | Vulnix