요약
- CVE-2026-33747은(는) github.com/moby/buildkit, buildkit (mobyproject)에 영향을 주는 심각 (CVSS 9.8) 취약점입니다.
- 향후 30일 내 악용 확률(EPSS): 0.51%, 전체 취약점의 43.3%보다 높음.
- 조치: 0.28.1 이상으로 업데이트하세요.
Description
Impact
When using a custom BuildKit frontend, the frontend can craft an API message that causes files to be written outside of the BuildKit state directory for the execution context.
Patches
The issue has been fixed in v0.28.1+
Workarounds
Issue requires using an untrusted BuildKit frontend set with #syntax or --build-arg BUILDKIT_SYNTAX. Using these options with a well-known frontend image like docker/dockerfile is not affected.
NVD description
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to version 0.28.1, when using a custom BuildKit frontend, the frontend can craft an API message that causes files to be written outside of the BuildKit state directory for the execution context. The issue has been fixed in v0.28.1. The vulnerability requires using an untrusted BuildKit frontend set with `#syntax` or `--build-arg BUILDKIT_SYNTAX`. Using these options with a well-known frontend image like `docker/dockerfile` is not affected.
github.com/moby/buildkit의 다른 취약점
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