CVE-2026-15789

HIGH

Moby BuildKit Local Sources Upload - Path Traversal

Title source: manual
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0016
EPSS Percentile 5.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (2)
moby/BuildKit < 0.31.2
mobyproject/buildkit < 0.31.2
Published Jul 21, 2026
Tracked Since Jul 21, 2026