Vulnerability record · CVE-2026-42574 · published 9 May 2026

CVE-2026-42574: Path traversal vulnerability

apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before version 1.2.5, a crafted .apk could install a TypeSymlink tar entry whose target pointed outside the build root, and a subsequent directory-creation or file-write entry in the same or later archive could traverse that symlink to reach host paths the build user could write to. This issue has been patched in version 1.2.5.

7.5 CVSS 3.1 High EPSS 0.51% · top 58.7% CWE-22 · Path traversalCWE-59 · Link following Deferred

7.5CVSS 3.1 base score

0.51%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

4References

24 Jul 2026Last modified by NVD

Description

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

References

Link	Tags
https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442
https://github.com/chainguard-dev/apko/pull/2187
https://github.com/chainguard-dev/apko/releases/tag/v1.2.5
https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6

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Source: NIST National Vulnerability Database (record CVE-2026-42574), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.