Vulnerability in moby BuildKit

[ Description ]Official description

BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund5 Oct 2026WID-SEC-2026-3741

  BuildKit: Multiple vulnerabilities Translated from German

  CVE-2026-93319CVE-2026-93318CVE-2026-93323+7 more CVEs

[ References ]References

• github.com/moby/buildkit/releases/tag/v0.33.1
• github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2