CVE-2026-40045
OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway Endpoints
CVSS Score
5.7
EPSS Score
0.0%
EPSS Percentile
0th
OpenClaw before 2026.4.2 accepts non-loopback cleartext ws:// gateway endpoints and transmits stored gateway credentials over unencrypted connections. Attackers can forge discovery results or craft setup codes to redirect clients to malicious endpoints, disclosing plaintext gateway credentials.
| CWE | CWE-319 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Apr 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.4.2
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9 github.com: https://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpoints
Credits
🔍 zsx (@zsxsoft) KeenSecurityLab