Vulnerabilities CVE-2026-42576

CVE-2026-42576

Medium

Open

TLP:CLEAR

apko `DiscoverKeys` has a panic on non-rsa jwks key that causes crash during key discovery

NVD CVE.org

Critical Infrastructure

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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.

Details

CVSS Score: 6.5
EPSS Score ⓘ: 0.25%

17th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Confidence: 90%
Published: May 9, 2026
Last Modified: May 9, 2026

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