CVE intelligence

CVE-2026-79705

Vulnerability intelligence

Published Sep 15, 2026Sources checked Sep 27, 2026

4.5MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-79705 and is rated Medium severity with a CVSS score of 4.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.4%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-79705?

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.