CVE-2026-15791
LLB file operation can be tricked to remove /tmp directory contents
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | moby |
| Product | buildkit |
| Published | Jul 21, 2026 |
| Last Updated | Jul 21, 2026 |
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Affected Versions
moby / BuildKit
0.10.0 < 0.31.2
References
Credits
Owais Lone (thesecguy)