Red Hat Security Advisory: buildah security update
The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fix(es): * os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2026-39822 is a symlink following vulnerability in the Go os.Root function that allows directory traversal. This affects the buildah package, a tool for building OCI container images, and the podman tool, which manages pods, container images, and containers as part of the libpod library. The vulnerability could allow an attacker to traverse directories via symlinks improperly handled by the affected Go function. Red Hat has released security updates for buildah and podman in Red Hat Enterprise Linux 9 and 10 to mitigate this issue.
Potential Impact
The vulnerability allows directory traversal via symlink following in the Go os.Root function, which could lead to unauthorized access to filesystem locations when using buildah or podman. This may compromise container image building or container management processes. Red Hat rates the security impact as Important (high severity). There are no known active exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released official security updates for buildah and podman packages in Red Hat Enterprise Linux 9 and 10 to fix this vulnerability. Users should apply these updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. Since patches are available, applying the official fixes is the recommended mitigation. No additional vendor-advised mitigations are necessary.
Red Hat Security Advisory: buildah security update
Description
The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fix(es): * os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-39822 is a symlink following vulnerability in the Go os.Root function that allows directory traversal. This affects the buildah package, a tool for building OCI container images, and the podman tool, which manages pods, container images, and containers as part of the libpod library. The vulnerability could allow an attacker to traverse directories via symlinks improperly handled by the affected Go function. Red Hat has released security updates for buildah and podman in Red Hat Enterprise Linux 9 and 10 to mitigate this issue.
Potential Impact
The vulnerability allows directory traversal via symlink following in the Go os.Root function, which could lead to unauthorized access to filesystem locations when using buildah or podman. This may compromise container image building or container management processes. Red Hat rates the security impact as Important (high severity). There are no known active exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released official security updates for buildah and podman packages in Red Hat Enterprise Linux 9 and 10 to fix this vulnerability. Users should apply these updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. Since patches are available, applying the official fixes is the recommended mitigation. No additional vendor-advised mitigations are necessary.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:38493
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a54adea68715ace438f6a76
Added to database: 07/13/2026, 09:20:42 UTC
Last enriched: 08/17/2026, 18:32:03 UTC
Last updated: 08/27/2026, 22:52:10 UTC
Views: 74
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