CVE-2026-79699Podman: buildah: skopeo: containers/storage: malicious tar whiteout header allows replacement of extraction destination directory

Description

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.

Timeline

Scores

EPSS (exploitation in 30 days)

0.17% · top 93% of all CVEs (12 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.

Affected products

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Ansible Automation Platform 2

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Hardened Images

  All versions: unaffected

• Red Hat · Red Hat Hardened Images

  All versions: unaffected

• Red Hat · Red Hat Hardened Images

  All versions: unaffected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: affected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: affected

• Red Hat · Red Hat OpenShift Dev Spaces

  All versions: affected

• Red Hat · Red Hat OpenShift Dev Spaces

  All versions: affected

• Red Hat · Red Hat OpenShift Dev Spaces

  All versions: affected

• Red Hat · Red Hat OpenShift Virtualization 4

  All versions: affected

• Red Hat · Red Hat Quay 3

  All versions: affected

• Red Hat · Red Hat Quay 3

  All versions: affected

What to do

Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2026-78824 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-79699](https://cveledger.app/badge/CVE-2026-79699.svg)](https://cveledger.app/cve/CVE-2026-79699)

Record last updated 6 Nov 2026, 19:43 UTC.