CVE-2026-17433

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

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

nanocoai · NanoClaw

CVSS v4.0 VULDB

1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

5.3 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

4.3 MEDIUMAV:L/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.15% chance of exploitation in the next 30 days, 3rd percentile

Published

2026-07-26

Updated

2026-07-27

Proof-of-concept exploits (1)

• nanocoai/nanoclaw/issues/276130951★ · 2026-10-14

References

• CVE Record
• NVD entry

Related

• CVE-2026-17434
• CVE-2026-18991
• CVE-2026-19005
• CVE-2026-90807