CVE-2026-79699

A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer.

Score

CVSS 3.1 4.4 Medium

Status

Awaiting Analysis - secalert@redhat.com

Published

2026-09-15

Last modified

2026-10-02

Weaknesses

CWE-59

Affected products

• Ansible Automation Platform (Redhat)
• Container Native Virtualization (Redhat)
• Enterprise Linux (Redhat)
• Hummingbird (Redhat)
• Openshift (Redhat)
• Openshift Devspaces (Redhat)
• Quay (Redhat)

References

• https://access.redhat.com/security/cve/CVE-2026-79699
• https://bugzilla.redhat.com/show_bug.cgi?id=2523408