Directory Traversal Affecting buildah package, versions <0:1.44.0-3.2.hum1


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.27% (20th percentile)

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  • Snyk IDSNYK-RHEL10-BUILDAH-18562596
  • published6 Aug 2026
  • disclosed20 Jul 2026

Introduced: 20 Jul 2026

NewCVE-2026-15788  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade RHEL:10 buildah to version 0:1.44.0-3.2.hum1 or higher.
This issue was patched in RHSA-2026:43122.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

BuildKit's cache mount source= selector on Windows Container on Windows (WCOW) workers does not detect NTFS directory junctions placed inside the cache root. A build authored by an untrusted user on a WCOW-configured BuildKit daemon can read arbitrary host files reachable to the BuildKit daemon process.

CVSS Base Scores

version 3.1