OS Command Injection in OpenClaw - CVE-2026-28391
Published: May 4, 2026
Vulnerability identifier: #VU129486
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28391
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to execute unintended commands.
The vulnerability exists due to command injection in src/infra/node-shell.ts when processing crafted exec requests on Windows nodes through cmd.exe. A remote user can supply a specially crafted command string to execute unintended commands.
Only Windows nodes with exec allowlist or approval gating enabled are vulnerable.
How to mitigate CVE-2026-28391
Install security update from vendor's website.