CVE-2026-40045

MEDIUM EPSS 2.0%
Published Apr 21, 20262mo ago · Modified Jun 17, 20262w ago
5.9 CVSS 4.0
Medium
Find Similar
Published Apr 21, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.9
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
2.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-319

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.4.2

References 3

  • github.com https://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpoints
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5
    Patch