CVE-2026-28391

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{"affected": [{"configurations": [{"platform": ["node.js"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,2026.2.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenClaw", "source": "cna", "vendor": "OpenClaw"}, "product": "openclaw", "vendor": "openclaw"}], "analysis": {"en": {"generated_at": "2026-04-18T09:52:10.604256+00:00", "value": {"mitigation_remediation": ["Upgrade to OpenClaw 2026.2.2 or later, which replaces the flawed parsing logic and validates all cmd.exe metacharacters, thereby fixing the command injection (CWE\u201178) flaw.", "If an immediate upgrade is not possible, restrict or disable the exec or run commands feature that relies on allowlist\u2011controlled execution, preventing arbitrary command injection (CWE\u201178).", "Enable logging and audit of exec requests, and monitor for unusual patterns such as shell metacharacters or repeated attempts to invoke disallowed commands, which may indicate exploitation of the command injection weakness (CWE\u201178)."], "summary": {"action": "Immediate Patch", "impact": "Remote Command Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the OpenClaw product from vendor OpenClaw. All releases older than version 2026.2.2 are impacted, including those distributed as Node.js applications identified by the CPE cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*.", "description_and_impact": "OpenClaw versions prior to 2026.2.2 fail to validate Windows cmd.exe metacharacters in allowlist\u2011controlled execution requests. Attackers can embed shell metacharacters such as & or %\u2026% into the command string, bypassing the allowlist check and executing arbitrary commands. This is a command injection flaw (CWE-78) that enables remote code execution with the privileges of the OpenClaw service, potentially leading to full compromise of the host system.", "risk_and_exploitability": "The flaw scores 9.2 on the CVSS scale, indicating a critical threat. The EPSS score is below 1%, suggesting a low current probability of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Attackers can target the service remotely, especially when the allowlist gating is enabled and command execution is permitted. Successful exploitation grants arbitrary code execution on the host machine."}}}}, "created": "2026-03-06T15:00:46.872766+00:00", "updated": "2026-04-18T10:00:10.330819+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}