Is chainguard.dev/apko affected by CVE-2026-42574?

Go chainguard.dev/apko is affected in >=0.14.8 <1.2.5.

Is CVE-2026-42574 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-42574

Q: Is CVE-2026-42574 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Go · chainguard.dev/apko

Summary

apko dirFS has a symlink-following path traversal that allows multiple entry points to escape the build root

Severity: high
EPSS: 0.4% (p27)
Also known as: GHSA-qq3r-w4hj-gjp6
Published: 2026-05-04

References

https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6
https://nvd.nist.gov/vuln/detail/CVE-2026-42574
https://github.com/chainguard-dev/apko/pull/2187

Related advisories

CVE-2026-42575 — high · Go/chainguard.dev/apko
CVE-2026-42576 — medium · Go/chainguard.dev/apko
CVE-2026-25140 — medium · Go/chainguard.dev/apko
CVE-2026-25122 — medium · Go/chainguard.dev/apko
CVE-2026-25121 — medium · Go/chainguard.dev/apko

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.