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CVE-2026-75593

BuildKit: Malicious client can bypass destination directory validation on local sources upload PUBLISHED

Description (CNA)

BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2.

Affected (CNA)

Vendor / productVersions
moby / buildkitaffected < 0.31.2

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.