CVE-2026-15793

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.

CVSS 4.0

7.3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-88

Published

2026-07-21

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

Affected

• mobyproject:buildkit

References

• https://github.com/moby/buildkit/security/advisories/GHSA-hw3h-2gp9-cxpv

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