Vulnerabilities affecting this package (0)
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (1)
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VCID-24jj-m523-3bdr
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PowerShell Command Injection in Podman HyperV Machine
## Summary
A command injection vulnerability exists in Podman's HyperV machine backend. The VM image path is inserted into a PowerShell double-quoted string without sanitization, allowing `$()` subexpression injection.
## Affected Code
**File**: `pkg/machine/hyperv/stubber.go:647`
```go
resize := exec.Command("powershell", []string{
"-command",
fmt.Sprintf("Resize-VHD \"%s\" %d", imagePath.GetPath(), newSize.ToBytes()),
}...)
```
## Root Cause
PowerShell evaluates `$()` subexpressions inside double-quoted strings before executing the outer command. The `fmt.Sprintf` call places the user-controlled image path directly into double quotes without escaping or sanitization.
## Impact
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 the Windows host. On typical Windows installations, this means SYSTEM-level code execution.
## Patch
https://github.com/containers/podman/commit/571c842bd357ee626019ea97d030fb772fc654ed
The affected code is only used on Windows, all other operating systems are not affected by this and can thus ignore the CVE patch.
## Credit
We like to thank Sang-Hoon Choi (@KoreaSecurity) for reporting this issue to us.
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CVE-2026-33414
GHSA-hc8w-h2mf-hp59
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