What is CVE-2026-40090?

CVE-2026-40090 is a high-severity vulnerability in Zarf-dev Zarf, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-04-14.

How severe is CVE-2026-40090?

High severity. CVSS v3 base score is 7.1 out of 10.

Path Traversal in Zarf-dev Zarf

CVE-2026-40090

Zarf is an Airgap Native Packager Manager for Kubernetes. Versions 0.23.0 through 0.74.1 contain an arbitrary file write vulnerability in the zarf package inspect sbom and zarf package inspect documentation subcommands. These subcommands o…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.

Affected products

Zarf-dev Zarf — versions >= 0.23.0, < 0.74.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/zarf-dev/zarf/security/advisories/GHSA-pj97-4p9w-gx3q (x_refsource_CONFIRM)
https://github.com/zarf-dev/zarf/pull/4793 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40090?: CVE-2026-40090 is a high-severity vulnerability in Zarf-dev Zarf, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-04-14.
How severe is CVE-2026-40090?: High severity. CVSS v3 base score is 7.1 out of 10.