CVE-2026-40045

MEDIUM

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

Title source: cna
STIX 2.1

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)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-83f3-hh45-vfw9)
https://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway Endpoints
https://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpoints

Scores

CVSS v3 5.7
EPSS 0.0012
EPSS Percentile 2.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

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