CVE-2026-41567
Gravedad CVSS v3.1:
ALTA
Tipo:
CWE-427
Elemento no controlado en la ruta de búsqueda
Fecha de publicación:
05/06/2026
Última modificación:
22/07/2026
Descripción
*** Pendiente de traducción *** 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`) from the container's filesystem rather than the host's due to incorrect ordering of operations. A malicious container image containing a trojanized decompression binary can achieve arbitrary code execution with full daemon privileges, including host root UID and unrestricted capabilities, when a user uploads a compressed (xz or gzip) archive into that container. This issue is fixed in Docker Engine 29.5.1 and moby/moby v2.0.0-beta.14. Workarounds include only running containers from trusted images, using authorization plugins to restrict access to the `PUT /containers/{id}/archive` endpoint, and avoiding piping compressed archives into containers created from untrusted images
Impacto
Puntuación base 3.x
7.20
Gravedad 3.x
ALTA
Referencias a soluciones, herramientas e información
- https://github.com/moby/moby/security/advisories/GHSA-x86f-5xw2-fm2r
- https://access.redhat.com/errata/RHSA-2026:37387
- https://access.redhat.com/errata/RHSA-2026:41030
- https://access.redhat.com/errata/RHSA-2026:42852
- https://access.redhat.com/security/cve/CVE-2026-41567
- https://bugzilla.redhat.com/show_bug.cgi?id=2485356
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41567.json



