CVE-2026-15789

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/moby/buildkit/security/advisories/GHSA-g2h8-426c-7976	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-21 17:17

Updated : 2026-07-30 16:04

NVD link : CVE-2026-15789

Mitre link : CVE-2026-15789

CVE.ORG link : CVE-2026-15789

JSON object : View

Products Affected

mobyproject

buildkit

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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