Security Advisory

CVE-2026-15788

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-20 19:12:56

Last updated 2026-07-21 12:40:56

Assigner Docker

CVSS score 5.6

State PUBLISHED

Description

BuildKit's cache mount source= selector on Windows Container on Windows (WCOW) workers does not detect NTFS directory junctions placed inside the cache root. A build authored by an untrusted user on a WCOW-configured BuildKit daemon can read arbitrary host files reachable to the BuildKit daemon process.

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