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Vulnerability · Published Sep 15, 2026 · Assigned by redhat

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

Medium 4.4

In plain English

A medium-severity security flaw in Red Hat Ansible Automation Platform 2 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24podman5.8.8-r0ALPINE-CVE-2026-79699
Debian:12golang-github-containers-storageno fix listedDEBIAN-CVE-2026-79699
Debian:13golang-github-containers-storageno fix listedDEBIAN-CVE-2026-79699
Debian:14golang-github-containers-storageno fix listedDEBIAN-CVE-2026-79699
Ubuntu:24.04:LTSgolang-github-containers-storageno fix listedUBUNTU-CVE-2026-79699
Ubuntu:26.04:LTSgolang-github-containers-storageno fix listedUBUNTU-CVE-2026-79699
Ubuntu:26.10golang-github-containers-storageno fix listedUBUNTU-CVE-2026-79699

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Ansible Automation Platform 2 see references
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Hardened Images see references
Red Hat Red Hat Hardened Images see references
Red Hat Red Hat Hardened Images see references
Red Hat Red Hat OpenShift Container Platform 4 see references
Red Hat Red Hat OpenShift Container Platform 4 see references
Red Hat Red Hat OpenShift Dev Spaces see references
Red Hat Red Hat OpenShift Dev Spaces see references
Red Hat Red Hat OpenShift Dev Spaces see references
Red Hat Red Hat OpenShift Virtualization 4 see references

Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

References