Description
OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.
Affected products
openclaw: openclaw
References3
- github.com/openclaw/openclaw/security/advisories/GHSA-525j-hqq2… MitigationVendor Advisory
- github.com/openclaw/openclaw/commit/fbf11ebdb7110632f93926d0ac7… Patch
- www.vulncheck.com/advisories/openclaw-chrome-devtools-protocol-… Third Party Advisory
Metrics
- CVSS 3.1
-
9.6
CRITICAL
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 4.0
-
9.0
CRITICAL
Score source: CNA
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 - EPSS — exploit probability
- 0% percentile: 12 · as of 13 November 2026
- CWE
- CWE-1188
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.