Incorrect authorization in containerd - CVE-2026-53492
Published: June 19, 2026
Vulnerability identifier: #VU134885
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-53492
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass device allocation controls and inject arbitrary CDI configuration into a restored container.
The vulnerability exists due to improper input validation and incorrect authorization in containerd CRI checkpoint restore handling when restoring a container from an untrusted checkpoint image. A remote user can create a pod and restore it from a crafted checkpoint image to bypass device plugin enforcement and inject arbitrary CDI edits into the restored container.
Only nodes with CDI enabled and a matching host CDI specification for the requested device are vulnerable.
Affected software
containerd
Fedora
docker-buildkit
docker-buildx
containerd
docker-compose
Fedora
docker-buildkit
docker-buildx
containerd
docker-compose
How to mitigate CVE-2026-53492
Install security update from vendor's website.
containerd - addressed in versions 2.1.9, 2.2.5, 2.3.2
docker-buildkit - update to 0.32.1-1.fc45
docker-buildx - update to 0.36.0-1.fc45
containerd - update to 2.3.2-1.fc45
docker-compose - update to 5.3.0-1.fc45
docker-buildkit - update to 0.32.1-1.fc45
docker-buildx - update to 0.36.0-1.fc45
containerd - update to 2.3.2-1.fc45
docker-compose - update to 5.3.0-1.fc45