Vulnerability Description
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2.
Related Weaknesses (CWE)
References
- https://github.com/moby/buildkit/releases/tag/v0.31.2
- https://github.com/moby/buildkit/security/advisories/GHSA-g2h8-426c-7976
FAQ
What is CVE-2026-75593?
CVE-2026-75593 is a documented vulnerability. BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildK...
How severe is CVE-2026-75593?
CVSS scoring is not yet available for CVE-2026-75593. Check NVD for updates.
Is there a patch for CVE-2026-75593?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.