high7.5
CVE-2026-15791
A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mobyproject | Buildkit | before 0.31.2 |