BuildKit custom frontends or clients using the raw low-level API can set git.checkoutbundle=true when checking out Git sources. If the Git source is malicious, this could lead to a crafted command invocation on the host.

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Fixes

Solution

No solution given by the vendor.


Workaround

The issue requires using a custom frontend together with a malicious Git source. Current Dockerfile builds are not affected.

History

Tue, 21 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
First Time appeared Moby
Moby buildkit
Vendors & Products Moby
Moby buildkit

Tue, 21 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 21 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Description BuildKit custom frontends or clients using the raw low-level API can set git.checkoutbundle=true when checking out Git sources. If the Git source is malicious, this could lead to a crafted command invocation on the host.
Title Git source checkout from a bundle file could lead to command injection
Weaknesses CWE-88
References
Metrics cvssV4_0

{'score': 6.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Docker

Published:

Updated: 2026-07-21T16:58:40.200Z

Reserved: 2026-07-14T19:31:45.116Z

Link: CVE-2026-15793

cve-icon Vulnrichment

Updated: 2026-07-21T16:58:31.222Z

cve-icon NVD

Status : Analyzed

Published: 2026-07-21T17:17:05.220

Modified: 2026-07-30T15:33:48.303

Link: CVE-2026-15793

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-30T17:15:12Z

Weaknesses