CVE-2026-93320

Medium

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.

SeverityMedium

CVSS6.0

Exploit probability—

Product

Microsoft Azl3 Moby-engine

PublishedOct 5, 2026

First seenOct 5, 2026

Weakness typeCWE-441CWE-441

How to fix

Patches

github.com/moby/buildkit/releases/tag/v0.33.1

Vendor advisories

github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2

Affected products

Product	Affected versions	Fixed in
microsoft azl3_moby-engine_25.0.3-20	No range specified	—
microsoft azl3_moby-engine_25.0.18-1	No range specified	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.