| Component | OpenClaw |
| Severity | critical (CVSS 9.8) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published (NVD) | 2026-05-06 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw >= 2026.2.21, < 2026.4.10 |
| Fixed in | 2026.4.10 |
| Weakness | CWE-862 |
| CISA KEV | not listed |
NVD description
OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.
What to do
- Upgrade OpenClaw to
2026.4.10or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-43575
- https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374
- https://github.com/openclaw/openclaw/commit/8dfbf3268bd224b7377d1ecca77a445100746085
- https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-sandbox-novnc-helper-route
Read more
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