CVE-2026-40045CWE-319

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

Medium · published April 20, 2026

CVSS v4.0
5.9
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.9 · MEDIUM
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
EPSS
0.00176 · 6.8th percentile
Weakness
CWE-319 · Cleartext Transmission of Sensitive Information
Published
2026-04-20T23:08Z
EPSS history
Timeline
  • 20 APR 23:08Z
    OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway Endpoints
    cvelistv5