CVE-2026-93322

Malformed MergeOp can crash the BuildKit daemon

MEDIUM
6.9
CVSS Score
Published: October 5, 2026 at 05:53 PM UTC
Updated: October 6, 2026 at 03:08 PM UTC
1 product affected across 1 vendorBuildKit

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

A malicious frontend can submit an LLB definition that causes buildkitd to panic and terminate, interrupting all builds running on that daemon.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 0.33.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMDocker
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-129

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