CVE-2026-43581: OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-06 · updated 2026-06-17
Weakness: CWE-1188

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: before 2026.4.10 — fixed in 2026.4.10

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.10. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/fbf11ebdb7110632f93926d0ac7b48f04cb44d77
https://github.com/openclaw/openclaw/security/advisories/GHSA-525j-hqq2-66r4
https://www.vulncheck.com/advisories/openclaw-chrome-devtools-protocol-exposure-via-overly-broad-cdp-relay-binding

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