CVE-2026-66418: OpenClaw Dashboard v3.0.0 contains a stored cross-site scripting vulnerability that allows unauthenticated rem
CVE-2026-66418 is a critical-severity flaw (CVSS 9.3) affecting openclaw agent dashboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 handl
Why this priority
- Critical severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.3 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-07-30 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: theopaid/CVE-2026-66418-OpenClaw-Dashboard-v3.0.0-Stored-XSS-via-Failed-Login-Username-Field (1 stars)
- Write-up: github.com/theopaid/Unauthenticated-Stored-Cross-Site-Scripting-Leading-To-Administrator-A
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.