CVE-2026-93319

A malicious frontend can cause a daemon panic

State: Published
Severity: 5.7 Medium
Published: Oct 5, 2026
Updated: Oct 5, 2026
Reserved: Sep 17, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.7 Medium	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	Docker

Weaknesses

CWE-567 Unsynchronized Access to Shared Data in a Multi-threaded Context

Affected Products

Product	Versions
BuildKitmoby	0.33.0 and earlierAffected

References

https://github.com/moby/buildkit/security/advisories/GHSA-4hgw-qrhw-fhg8vendor-advisory
https://github.com/moby/buildkit/releases/tag/v0.33.1patch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.