CVE-2026-93320

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.

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Weakness Type (CWE)

CWE-441 CWE-441

References

Other References

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

Frequently Asked Questions

What is CVE-2026-93320? +

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.

How do I check if I'm vulnerable to CVE-2026-93320? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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