CVE-2026-41567

CVE-2026-41567 affects Docker Engine and Moby earlier than 29.5.1 / moby/moby v2 before v2.0.0-beta.14. When uploading a compressed archive to a container via PUT /containers/{id}/archive or piping with docker cp -, the daemon resolves decompression binaries from the container filesystem rather t...

CVE-2026-41567 Docker: `PUT /containers/{id}/archive` executes container binary on the host

Moby is an open source container framework. In versions prior to 29.5.1 and in moby/moby v2 prior to v2.0.0-beta.14, when a compressed archive is uploaded to a container via PUT /containers/id/archive or piped through docker cp -, the daemon resolves decompression binaries such as xz or unpigz fr...

CVE-2026-41567

Moby is an open source container framework. In versions prior to 29.5.1 and in moby/moby v2 prior to v2.0.0-beta.14, when a compressed archive is uploaded to a container via PUT /containers/id/archive or piped through docker cp -, the daemon resolves decompression binaries such as xz or unpigz fr...