CVE-2026-32011
Denial of Service in OpenClaw Webhook Handlers via Unauthenticated Requests
Publication date: 2026-03-19
Last updated on: 2026-03-23
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openclaw | openclaw | to 2026.3.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in OpenClaw versions prior to 2026.3.2 and involves a denial of service issue in webhook handlers for BlueBubbles and Google Chat.
The problem arises because these webhook handlers parse request bodies before performing authentication and signature validation.
As a result, unauthenticated attackers can exploit this by sending slow or oversized request bodies, which exhaust parser resources and degrade the availability of the service.
How can this vulnerability impact me? :
This vulnerability can impact you by causing a denial of service condition in the affected OpenClaw webhook handlers.
Attackers can send specially crafted requests that consume excessive parsing resources, leading to degraded service availability or complete service outages.
Since the vulnerability allows unauthenticated attackers to exploit it, it poses a risk of service disruption without requiring any prior access.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know