CVE-2026-43576
OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets
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.
How to fix CVE-2026-43576
To remediate CVE-2026-43576, upgrade the affected package to a fixed version below.
- —upgrade to 2026.4.5 or later
Is CVE-2026-43576 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.4.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |