CVE-2026-32012
Replay Attack Vulnerability in OpenClaw Nextcloud Talk Webhooks
Publication date: 2026-03-23
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 2026.2.25 (exc) |
| nextcloud | talk | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-294 | A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in OpenClaw versions before 2026.2.25 and involves the Nextcloud Talk webhook events. The issue is that OpenClaw lacks a durable replay state for these webhook events, which means that valid signed requests can be captured and replayed by attackers.
As a result, attackers can resend previously valid signed webhook requests, causing the system to process duplicate inbound events. This can lead to problems with data integrity or availability.
How can this vulnerability impact me? :
The vulnerability allows attackers to replay valid signed webhook requests, which can trigger duplicate processing of inbound events.
- Integrity issues: Duplicate processing may cause inconsistent or corrupted data.
- Availability issues: Replaying requests could overload the system or disrupt normal operations.
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