RHSA-2026:66421HighCVSS 7.1
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-15789 — buildkit: github.com/moby/buildkit: BuildKit: File escape vulnerability CVE-2026-71556 — github.com/go-git/go-git/v5: go-git: Arbitrary file read/write via symbolic link resolution
🎯 Affected products4
- Red Hat Hardened Images
- trivy-0:0.74.0-0.2.hum1@aarch64 as a component of Red Hat Hardened Images
- trivy-0:0.74.0-0.2.hum1@src as a component of Red Hat Hardened Images
- trivy-0:0.74.0-0.2.hum1@x86_64 as a component of Red Hat Hardened Images
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: To reduce the risk of exploitation, do not clone or run worktree operations (checkout, status, add) on Git repositories originating from untrusted or attacker-controllable sources using an affected version of go-git. The issue is resolved by updating to go-git 5.19.2 or 6.0.0-alpha.5 (or later).
🔗 References (6)
- selfhttps://access.redhat.com/errata/RHSA-2026:66421
- externalhttps://access.redhat.com/security/cve/CVE-2026-71556
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-15789
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66421.json