CVE-2026-40045

OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway Endpoints

Published Apr 20, 2026 CVSS 4.0 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-83f3-hh45-vfw9 OpenClaw: Android accepted cleartext remote gateway endpoints and sent stored credentials over ws://
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway Endpoints
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-319
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 21, 2026, 1:37 PM
Reserved
Apr 8, 2026, 1:39 PM
Status
Analyzed
Published
Apr 21, 2026, 12:16 AM
Modified
Nov 11, 2026, 11:10 PM