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CVE-2026-15788

5.6 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.6 · mobyprojectNVD modified 2026-10-24 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*

References 1