CVE-2026-93319

Medium

Description

A malicious external BuildKit frontend can send requests using the internal API that can create conditions for a data race that can cause the BuildKit daemon to panic.

SeverityMedium

CVSS5.7

Exploit probability—

Product

Microsoft Azl3 Moby-engine

PublishedOct 5, 2026

First seenOct 5, 2026

Weakness typeCWE-567CWE-567

How to fix

Patches

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

Vendor advisories

github.com/moby/buildkit/security/advisories/GHSA-4hgw-qrhw-fhg8

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	—

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