Security Advisory
CVE-2026-15788
N/A
UNKNOWN
Vulnerability 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.
Published Date
July 20, 2026
Official Source
NIST NVD Advisory