CVE-2026-15789
Malicious client can bypass destination directory validation on local sources upload
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jul 21, 2026
- Updated
- Jul 21, 2026
- Reserved
- Jul 14, 2026
Description
A custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access the BuildKit control API to issue builds, e.g., bypass authentication, etc.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/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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