GHSA-m3r6-h7wv-7xxv
GitHub Security Advisory
BuildKit vulnerable to possible race condition with accessing subpaths from cache mounts
✓ GitHub Reviewed
HIGH
Has CVE
Advisory Details
### Impact
Two malicious build steps running in parallel sharing the same cache mounts with subpaths could cause a race condition that can lead to files from the host system being accessible to the build container.
### Patches
The issue has been fixed in v0.12.5
### Workarounds
Avoid using BuildKit frontend from an untrusted source or building an untrusted Dockerfile containing cache mounts with `--mount=type=cache,source=...` options.
### References
https://www.openwall.com/lists/oss-security/2019/05/28/1
Affected Packages
Go
github.com/moby/buildkit
Affected versions:
0
(fixed in 0.12.5)
Related CVEs
Key Information
7.5
/10
Dataset
Last updated: July 12, 2025 6:29 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.