CVE-2026-79705
Medium
Description
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.
SeverityMedium
CVSS4.5
Exploit probability35. percentile0.4%
Product
Red Hat Hardened Images
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-22Path traversal
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Hardened Images | No range specified | — |
| Red Hat Red Hat Ansible Automation Platform 2 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 9 | No range specified | — |
| Red Hat Red Hat OpenShift Container Platform 4 | No range specified | — |
| Red Hat Red Hat OpenShift Container Platform 5 | No range specified | — |
| Red Hat Red Hat OpenShift Dev Spaces | No range specified | — |
| Red Hat Red Hat OpenShift Virtualization 4 | No range specified | — |
| Red Hat Red Hat Quay 3 | No range specified | — |
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