---
title: "CVE-2026-100567: OpenClaw openclaw - DNS Rebinding"
description: "OpenClaw openclaw >= 2026.4.5 and < 2026.8.1 contains a DNS rebinding vulnerability caused by independent DNS resolution bypassing initial validation for remote Chrome DevTools Protocol hostnames, letting attackers exploit SSRF to access restricted internal addresses, exploit requires control over approved CDP hostname or its DNS answers."
url: https://panop.io/threat-heartbeat/CVE-2026-100567/
---

# CVE-2026-100567 OpenClaw openclaw - DNS Rebinding

OpenClaw openclaw >= 2026.4.5 and < 2026.8.1 contains a DNS rebinding vulnerability caused by independent DNS resolution bypassing initial validation for remote Chrome DevTools Protocol hostnames, letting attackers exploit SSRF to access restricted internal addresses, exploit requires control over approved CDP hostname or its DNS answers.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100567)

## Details

Type

DNS Rebinding

Impact

Server Side Request Forgery

CVSS vector

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

Published

26 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Upgrade to version 2026.8.1 or later; alternatively, disable hostname-based remote CDP endpoints or restrict to trusted infrastructure.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100567](https://nvd.nist.gov/vuln/detail/CVE-2026-100567)
- [https://github.com/openclaw/openclaw/security/advisories/GHSA-p3h6-v2h4-36q2](https://github.com/openclaw/openclaw/security/advisories/GHSA-p3h6-v2h4-36q2)
- [https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-dns-rebinding-via-cdp-hostname](https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-dns-rebinding-via-cdp-hostname)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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