CVE-2026-15789

vendorUSosv

Malicious client can bypass destination directory validation on local sources upload

view advisory published 2026-07-21Licence: per source

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 the BuildKit control API to issue builds, e.g., bypass authentication, etc.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-75593US——
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 r…
02

references

External citations — patches, advisories, analysis.

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