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.
CVSS 7.5EPSS 0.27399999999999997%Risk 0.77
View source- Published
- 2026-07-20 20:16:43
- Affected versions
- unknown
- Type
- Critical software
- Last modified
- 2026-08-05 19:45:37
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N