CVE-2026-43581: openclaw — Fix

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.

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CVSS v3.1 Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-1188 CWE-1188

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.10

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/fbf11ebdb7110632f93926d0ac7b48f04cb44d77 https://github.com/openclaw/openclaw/security/advisories/GHSA-525j-hqq2-66r4

Other References

https://www.vulncheck.com/advisories/openclaw-chrome-devtools-protocol-exposure-via-overly-broad-cdp-relay-binding

Frequently Asked Questions

What is CVE-2026-43581? +

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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2026-43581? +

CVE-2026-43581 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-43581? +

CVE-2026-43581 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-43581? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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