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HIGH · 7.5

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 inv...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
MobyprojectBuildkit>= 0.30.0, < 0.31.2

Related Weaknesses (CWE)

CWE-88

References

FAQ

What is CVE-2026-15793?

CVE-2026-15793 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 inv...

How severe is CVE-2026-15793?

CVE-2026-15793 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15793?

Check the references section above for vendor advisories and patch information. Affected products include: Mobyproject Buildkit.