CVE-2026-93322GHSA-cv6p-7w7g-xjwq
Malformed MergeOp can crash the BuildKit daemon
moby BuildKit
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.13%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
A malicious frontend can submit an LLB definition that causes buildkitd to panic and terminate, interrupting all builds running on that daemon.
Text from GitHub Advisory Database
Affected versions 2
- BuildKitaffected: all versions through 0.33.0CVE List
- BuildKit<=v0.33.0GitHub