{"id":"UBUNTU-CVE-2026-41567","details":"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","modified":"2026-06-30T18:18:04.519542419Z","published":"2026-06-05T02:17:00Z","upstream":["CVE-2026-41567"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41567"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-41567"}],"affected":[{"package":{"name":"docker.io","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/docker.io?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2~dfsg1-1ubuntu4","1.10.2-0ubuntu3","1.10.2-0ubuntu4","1.10.3-0ubuntu1","1.10.3-0ubuntu4","1.10.3-0ubuntu5","1.10.3-0ubuntu6","1.11.2-0ubuntu5~16.04","1.12.1-0ubuntu13~16.04.1","1.12.3-0ubuntu4~16.04.2","1.12.6-0ubuntu1~16.04.1","1.13.1-0ubuntu1~16.04.2","17.03.2-0ubuntu2~16.04.1","18.06.1-0ubuntu1~16.04.2","18.06.1-0ubuntu1.2~16.04.1","18.09.2-0ubuntu1~16.04.1","18.09.5-0ubuntu1~16.04.2","18.09.7-0ubuntu1~16.04.1","18.09.7-0ubuntu1~16.04.4","18.09.7-0ubuntu1~16.04.5","18.09.7-0ubuntu1~16.04.6","18.09.7-0ubuntu1~16.04.7","18.09.7-0ubuntu1~16.04.9+esm1","18.09.7-0ubuntu1~16.04.9+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"18.09.7-0ubuntu1~16.04.9+esm2"},{"binary_version":"18.09.7-0ubuntu1~16.04.9+esm2","binary_name":"golang-docker-dev"},{"binary_name":"golang-github-docker-docker-dev","binary_version":"18.09.7-0ubuntu1~16.04.9+esm2"},{"binary_name":"vim-syntax-docker","binary_version":"18.09.7-0ubuntu1~16.04.9+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41567.json"}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/docker.io?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.1-0ubuntu6","17.03.2-0ubuntu1","17.03.2-0ubuntu3","17.03.2-0ubuntu5","17.12.1-0ubuntu1","18.06.1-0ubuntu1~18.04.1","18.06.1-0ubuntu1.2~18.04.1","18.09.2-0ubuntu1~18.04.1","18.09.5-0ubuntu1~18.04.2","18.09.7-0ubuntu1~18.04.1","18.09.7-0ubuntu1~18.04.3","18.09.7-0ubuntu1~18.04.4","19.03.6-0ubuntu1~18.04.1","19.03.6-0ubuntu1~18.04.2","19.03.6-0ubuntu1~18.04.3","20.10.2-0ubuntu1~18.04.2","20.10.2-0ubuntu1~18.04.3","20.10.7-0ubuntu1~18.04.1","20.10.7-0ubuntu1~18.04.2","20.10.7-0ubuntu5~18.04.2","20.10.7-0ubuntu5~18.04.3","20.10.12-0ubuntu2~18.04.1","20.10.21-0ubuntu1~18.04.2","20.10.21-0ubuntu1~18.04.3","20.10.21-0ubuntu1~18.04.3+esm1","20.10.21-0ubuntu1~18.04.3+esm2","20.10.21-0ubuntu1~18.04.3+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"20.10.21-0ubuntu1~18.04.3+esm3"},{"binary_version":"20.10.21-0ubuntu1~18.04.3+esm3","binary_name":"golang-docker-dev"},{"binary_name":"golang-github-docker-docker-dev","binary_version":"20.10.21-0ubuntu1~18.04.3+esm3"},{"binary_name":"vim-syntax-docker","binary_version":"20.10.21-0ubuntu1~18.04.3+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41567.json"}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/docker.io?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["19.03.2-0ubuntu1","19.03.6-0ubuntu1","19.03.8-0ubuntu1","19.03.8-0ubuntu1.20.04","19.03.8-0ubuntu1.20.04.1","19.03.8-0ubuntu1.20.04.2","20.10.2-0ubuntu1~20.04.2","20.10.2-0ubuntu1~20.04.3","20.10.7-0ubuntu1~20.04.1","20.10.7-0ubuntu1~20.04.2","20.10.7-0ubuntu5~20.04.1","20.10.7-0ubuntu5~20.04.2","20.10.12-0ubuntu2~20.04.1","20.10.21-0ubuntu1~20.04.1","20.10.21-0ubuntu1~20.04.2","20.10.21-0ubuntu1~20.04.4","20.10.21-0ubuntu1~20.04.5","20.10.21-0ubuntu1~20.04.6","20.10.21-0ubuntu1~20.04.6+esm1","20.10.21-0ubuntu1~20.04.6+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-docker-dev","binary_version":"20.10.21-0ubuntu1~20.04.6+esm2"},{"binary_version":"20.10.21-0ubuntu1~20.04.6+esm2","binary_name":"golang-github-docker-docker-dev"},{"binary_name":"vim-syntax-docker","binary_version":"20.10.21-0ubuntu1~20.04.6+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41567.json"}},{"package":{"name":"docker.io-app","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/docker.io-app?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.10.25-0ubuntu1~20.04.1","20.10.25-0ubuntu1~20.04.2","24.0.5-0ubuntu1~20.04.1","24.0.7-0ubuntu2~20.04.1","26.1.3-0ubuntu1~20.04.1","26.1.3-0ubuntu1~20.04.1+esm1","26.1.3-0ubuntu1~20.04.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"26.1.3-0ubuntu1~20.04.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41567.json"}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/u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