CVE-2026-15793

Git source checkout from a bundle file could lead to command injection

Published Jul 21, 2026 CVSS 4.0 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Moby
Moby buildkit
Vendors & Products Moby
Moby buildkit
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Docker
Published
Updated
Jul 21, 2026, 4:58 PM
Reserved
Jul 14, 2026, 7:31 PM
Status
Analyzed
Published
Jul 21, 2026, 5:17 PM
Modified
Oct 24, 2026, 7:10 PM