CVE-2026-15791
LLB file operation can be tricked to remove /tmp directory contents
- State
- Published
- Severity
- 3.3 Low
- Published
- Jul 21, 2026
- Updated
- Jul 21, 2026
- Reserved
- Jul 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 3.3 Low | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N | Docker |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
BuildKitmoby |
|
References
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