Daemon Panic in BuildKit Daemon with CDI Device Usage by Moby
CVE-2026-93316

7.1HIGH

Key Information:

Vendor

Moby

Status
Buildkit
Vendor
CVE Published:
5 October 2026

What is CVE-2026-93316?

The BuildKit daemon, when initiated with the --cdi-disabled flag, can encounter a panic condition during operations involving Container Device Interface (CDI) devices. This vulnerability arises both under malicious circumstances and inadvertently, leading to potential service disruptions and instability in systems relying on BuildKit.

Affected Version(s)

BuildKit 0 < 0.33.1

References

https://github.com/moby/buildkit/security/advisories/GHSA...
vendor-advisory
https://github.com/moby/buildkit/releases/tag/v0.33.1
patch

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

He Wei (https://github.com/hewei-gikaku)
.