CVE-2026-79705

MEDIUM 4.5

Podman: buildah: buildah/copier: directory escape via crafted tar symlinks when used outside buildah by non-root callers

CVSS Score

4.5

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in the buildah/copier Go package. When used outside of Buildah by a non-root caller, a crafted tar archive containing malicious symlinks can escape the target extraction directory and create files outside the intended destination. Buildah itself uses chroot hardening and is not affected.

CWE	CWE-22
Vendor	red hat
Product	red hat ansible automation platform 2
Published	Sep 15, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

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 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 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 Hardened Images

All versions affected

Red Hat / Red Hat Hardened Images

All versions affected

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 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

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-79705 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2523419

Credits

Red Hat would like to thank Ibrahim Saglam, Junyi Liu, Oleh Konko, and Ron Masas for reporting this issue.