What is CVE-2026-43581?

CVE-2026-43581 is a critical-severity vulnerability in Openclaw, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.6/10. Published 2026-05-06.

How severe is CVE-2026-43581?

Critical severity. CVSS v3 base score is 9.6 out of 10.

RCE in Openclaw

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 bound…

EPSS: 0.000 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.4.10

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

References

Patch Commit (Patch, patch)
GitHub Security Advisory (GHSA-525j-hqq2-66r4) (vendor-advisory, Mitigation, Vendor Advisory)
VulnCheck Advisory: OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-43581?: CVE-2026-43581 is a critical-severity vulnerability in Openclaw, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.6/10. Published 2026-05-06.
How severe is CVE-2026-43581?: Critical severity. CVSS v3 base score is 9.6 out of 10.