nanocoai NanoClaw up to 2.0.64 MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization

Summaryinfo

A vulnerability was found in nanocoai NanoClaw up to 2.0.64. It has been declared as critical. Affected is the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. Executing a manipulation can lead to improper authorization. The identification of this vulnerability is CVE-2026-17433. The attack can only be executed locally. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in nanocoai NanoClaw up to 2.0.64. It has been declared as critical. This vulnerability affects the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-17433. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a public exploit are known. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• nanocoai

Name

• NanoClaw

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19
• 2.0.20
• 2.0.21
• 2.0.22
• 2.0.23
• 2.0.24
• 2.0.25
• 2.0.26
• 2.0.27
• 2.0.28
• 2.0.29
• 2.0.30
• 2.0.31
• 2.0.32
• 2.0.33
• 2.0.34
• 2.0.35
• 2.0.36
• 2.0.37
• 2.0.38
• 2.0.39
• 2.0.40
• 2.0.41
• 2.0.42
• 2.0.43
• 2.0.44
• 2.0.45
• 2.0.46
• 2.0.47
• 2.0.48
• 2.0.49
• 2.0.50
• 2.0.51
• 2.0.52
• 2.0.53
• 2.0.54
• 2.0.55
• 2.0.56
• 2.0.57
• 2.0.58
• 2.0.59
• 2.0.60
• 2.0.61
• 2.0.62
• 2.0.63
• 2.0.64

Website

• Product: https://github.com/nanocoai/nanoclaw/

CPE 2.3info

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CPE 2.2info

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #862450: NanoCoAI NanoClaw 2.0.64 Missing Authentication for Critical Function (CWE-306) (by Erichen-x)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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