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openclaw/openclaw · Security

OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets

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GHSA ID
GHSA-f7fh-qg34-x2xh
CVE ID
CVE-2026-43576
Severity
medium
Published
Updated
CVSS
7.7 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v3
7.7 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v4
4.9 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

Description

Summary

CDP /json/version WebSocket URL could pivot to untrusted second-hop targets.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: < 2026.4.5
  • Patched versions: >= 2026.4.5

Impact

A browser profile could trust a CDP /json/version response whose webSocketDebuggerUrl pointed at a different host, enabling a second-hop SSRF-style pivot.

Technical Details

The fix normalizes and re-validates direct CDP WebSocket targets before connecting.

Fix

The issue was fixed in #60469. The first stable tag containing the fix is v2026.4.5, and [email protected] includes the fix.

Fix Commit(s)

  • bc356cc8c2beaa747c71dd86cceab8f804699665
  • PR: #60469

Release Process Note

Users should upgrade to openclaw 2026.4.5 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @tdjackey for reporting this issue.

CWEs

  • CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
  • CWE-918 · Server-Side Request Forgery (SSRF)

References