CVE-2026-17433

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-383074 | nanocoai NanoClaw MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization
https://vuldb.com/vuln/383074
Signature, Permissions Required signature permissions-required
VDB-383074 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/383074/cti
Third Party Advisory third-party-advisory
CVE-2026-17433 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-17433
Third Party Advisory third-party-advisory
Submit #862450 | NanoCoAI NanoClaw 2.0.64 Missing Authentication for Critical Function (CWE-306)
https://vuldb.com/submit/862450
Exploit exploit issue-tracking
https://github.com/nanocoai/nanoclaw/issues/2761

Scores

CVSS v3 5.3
EPSS 0.0010
EPSS Percentile 1.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-266 CWE-285
Status published
Products (50)
nanocoai/NanoClaw 2.0.0
nanocoai/NanoClaw 2.0.1
nanocoai/NanoClaw 2.0.10
nanocoai/NanoClaw 2.0.11
nanocoai/NanoClaw 2.0.12
nanocoai/NanoClaw 2.0.13
nanocoai/NanoClaw 2.0.14
nanocoai/NanoClaw 2.0.15
nanocoai/NanoClaw 2.0.16
nanocoai/NanoClaw 2.0.17
... and 40 more
Published Jul 26, 2026
Tracked Since Jul 26, 2026