Incorrect Type Conversion or Cast Affecting chainguard.dev/apko/pkg/apk/apk package, versions <1.2.7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-CHAINGUARDDEVAPKOPKGAPKAPK-16419399
- published6 May 2026
- disclosed4 May 2026
- credit1seal
Introduced: 4 May 2026
CVE-2026-42576 Â (opens in a new tab)How to fix?
Upgrade chainguard.dev/apko/pkg/apk/apk to version 1.2.7 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast in the DiscoverKeys process. An attacker can cause the application to crash by providing a non-RSA key (such as an EC key) from a repository JWKS endpoint, which triggers a panic due to an unchecked type assertion.