CVE-2026-17433

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-285 CWE-266
Vendor	nanocoai
Product	nanoclaw
Published	Jul 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

nanocoai / NanoClaw

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

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/383074 vuldb.com: https://vuldb.com/vuln/383074/cti vuldb.com: https://vuldb.com/cve/CVE-2026-17433 vuldb.com: https://vuldb.com/submit/862450 github.com: https://github.com/nanocoai/nanoclaw/issues/2761 github.com: https://github.com/nanocoai/nanoclaw/

Credits

🔍 Erichen-x (VulDB User) VulDB CNA Team