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Vulnerability · Published Jul 26, 2026 · Assigned by VulDB

CVE-2026-17433nanocoai NanoClaw MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization

Medium 5.3

In plain English

A medium-severity security flaw in NanoClaw from nanocoai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 96.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in nanocoai NanoClaw up to 2.0.64. This impacts the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. Performing a manipulation results in improper authorization. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

VendorProductVersions
nanocoai NanoClaw 2.0.02.0.12.0.22.0.32.0.42.0.52.0.62.0.7

Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References