Medium [CVE-2026-79705] Directory escape via crafted tar symlinks when used outside Buildah by non-root callers
This medium-severity Red Hat Linux advisory covers CVE-2026-79705; related products: Red Hat Hardened Images, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux 10.
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Summary
Directory escape via crafted tar symlinks when used outside Buildah by non-root callers. Red Hat rates this moderate (CVSS 4.5).
Weakness: CWE-22. Red Hat lists fixing advisory RHSA-2026:74861 with package podman-main-6.1.3-1.hum1.
Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; and 5 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat OpenShift Dev Spaces; Red Hat OpenShift Virtualization 4; and 1 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 17 days ago·verify at source
- podman-main-6.1.3-1.hum1
- RHSA-2026:74861
Official advisory · high-confidence parse· fetched 17 days ago·verify at source
Mitigation checklist
- To mitigate this issue, users should ensure that `podman cp` operations are only performed against trusted Podman system service servers. Copying content from untrusted sources may expose the client to directory traversal vulnerabilities.
Official advisory · high-confidence parse· fetched 17 days ago·verify at source
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