5.6
Medium
CVE-2026-15788 BuildKit's cache mount source= selector on Windows Container on Windows (WCOW) workers does not detect NTFS directory…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| buildkit 0.31 | earliest → < 0.31.2 | 0.31.2 |
References
- github.com github.com
Timeline
- Published
- Last modified
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