CVE-2026-33414

Podman is a tool for managing OCI containers and pods. Versions 4.8.0 through 5.8.1 contain a command injection vulnerability in the HyperV machine backend in pkg/machine/hyperv/stubber.go, where the VM image path is inserted into a PowerShell double-quoted string without sanitization, allowing $() subexpression injection. Because PowerShell evaluates subexpressions inside double-quoted strings before executing the outer command, an attacker who can control the VM image path through a crafted machine name or image directory can execute arbitrary PowerShell commands with the privileges of the Podman process. On typical Windows installations this means SYSTEM-level code execution, and only Windows is affected as the code is exclusive to the HyperV backend. This issue has been patched in version 5.8.2.

• CWE-78
• CWE-94

• https://github.com/containers/podman/commit/571c842bd357ee626019ea97d030fb772fc654edPatch
• https://github.com/containers/podman/security/advisories/GHSA-hc8w-h2mf-hp59Patch, Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:8211
• https://access.redhat.com/security/cve/CVE-2026-33414
• https://bugzilla.redhat.com/show_bug.cgi?id=2458522
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33414.json

Published

Apr 14, 2026

Last Modified

Jul 24, 2026

Status

Modified

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