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 boundaries by exploiting the overly broad binding configuration.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.10
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/commit/fbf11ebdb7110632f93926d0ac7b48f04cb44d77 (Patch, patch)
- github.com/openclaw/openclaw/security/advisories/GHSA-525j-hqq2-66r4 (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-chrome-devtools-protocol-exposure-via-ove… (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.