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CVE-2026-33747 BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner

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.

Produits et versions touchés

Produit Versions touchées Corrigé en
buildkit 0.28 premières → < 0.28.1 0.28.1

Références

Chronologie

  1. Publiée
  2. Dernière modification
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