OpenClaw Dashboard v3.0.0 — CVE-2026-66418 (Critical)

Date Jul 30, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product OpenClaw · Dashboard v3.0.0

CVE CVE-2026-66418

Critical vendor advisory CVE-2026-66418

Summary

OpenClaw Dashboard v3.0.0 contains a stored cross-site scripting vulnerability that allows unauthenticated remote attackers to inject arbitrary HTML and script payloads by submitting a crafted username in a failed login POST request, which is recorded verbatim in the audit log. When an administrator opens the notification panel, the unescaped log entry is rendered via innerHTML with a permissive Content-Security-Policy allowing inline event handlers, enabling the attacker-supplied payload to execute in the administrator's session and interact with authenticated endpoints including agent instru

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.3) in OpenClaw Dashboard v3.0.0. Patch or mitigate promptly.

Operator check

Review CVE-2026-66418 in your asset inventory. Apply patches per vendor guidance and verify Dashboard v3.0.0 is not exposed. CVSS score: 9.3.

Sources

NVD — CVE-2026-66418 Source reference Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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