Low [CVE-2026-15791] crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory
This low-severity Docker advisory covers CVE-2026-15791 affecting BuildKit.
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Summary
A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory.
- BuildKit 0.10.0 before 0.31.2
NVD record · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory.
NVD record · high-confidence parse· fetched 2 months ago·verify at source
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