CVE-2026-40045

MEDIUM

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

Title source: cna

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.

References (3)

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9

[Patch] https://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpoints

Scores

CVSS v3 5.7

EPSS 0.0001

EPSS Percentile 0.8%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE

CWE-319

Status published

Products (4)

npm/openclaw 0 - 2026.4.2npm

OpenClaw/OpenClaw < 2026.4.2

openclaw/openclaw < 2026.4.2

OpenClaw/OpenClaw 2026.4.2

Published Apr 21, 2026

Tracked Since Apr 21, 2026