SB20260414110 - Code injection in Podman on Windows
Published: April 14, 2026
Security Bulletin ID
SB20260414110
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) OS Command Injection (CVE-ID: CVE-2026-33414)
The vulnerability allows a remote attacker to execute arbitrary commands on the Windows host.
The vulnerability exists due to command injection in pkg/machine/hyperv/stubber.go when resizing a HyperV virtual disk using a user-controlled VM image path in a PowerShell double-quoted string. A remote attacker can supply a crafted machine name or image directory containing a PowerShell subexpression to execute arbitrary commands on the Windows host.
The issue affects only the Windows-specific HyperV machine backend.
Remediation
Install update from vendor's website.