CVE-2026-17433
nanocoai NanoClaw MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization
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.
INFO
Published Date :
July 26, 2026, 3:16 a.m.
Last Modified :
July 26, 2026, 3:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-17433
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Implement proper authorization checks.
- Update the MCP Server Approval component.
- Apply patches when available from the vendor.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-17433.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-17433 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-17433
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-17433 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-17433 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 26, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:nanocoai:nanoclaw:*:*:*:*:*:*:*:*'], 'vendor': 'nanocoai', 'modules': ['MCP Server Approval'], 'product': 'NanoClaw', 'versions': [{'status': 'affected', 'version': '2.0.0'}, {'status': 'affected', 'version': '2.0.1'}, {'status': 'affected', 'version': '2.0.2'}, {'status': 'affected', 'version': '2.0.3'}, {'status': 'affected', 'version': '2.0.4'}, {'status': 'affected', 'version': '2.0.5'}, {'status': 'affected', 'version': '2.0.6'}, {'status': 'affected', 'version': '2.0.7'}, {'status': 'affected', 'version': '2.0.8'}, {'status': 'affected', 'version': '2.0.9'}, {'status': 'affected', 'version': '2.0.10'}, {'status': 'affected', 'version': '2.0.11'}, {'status': 'affected', 'version': '2.0.12'}, {'status': 'affected', 'version': '2.0.13'}, {'status': 'affected', 'version': '2.0.14'}, {'status': 'affected', 'version': '2.0.15'}, {'status': 'affected', 'version': '2.0.16'}, {'status': 'affected', 'version': '2.0.17'}, {'status': 'affected', 'version': '2.0.18'}, {'status': 'affected', 'version': '2.0.19'}, {'status': 'affected', 'version': '2.0.20'}, {'status': 'affected', 'version': '2.0.21'}, {'status': 'affected', 'version': '2.0.22'}, {'status': 'affected', 'version': '2.0.23'}, {'status': 'affected', 'version': '2.0.24'}, {'status': 'affected', 'version': '2.0.25'}, {'status': 'affected', 'version': '2.0.26'}, {'status': 'affected', 'version': '2.0.27'}, {'status': 'affected', 'version': '2.0.28'}, {'status': 'affected', 'version': '2.0.29'}, {'status': 'affected', 'version': '2.0.30'}, {'status': 'affected', 'version': '2.0.31'}, {'status': 'affected', 'version': '2.0.32'}, {'status': 'affected', 'version': '2.0.33'}, {'status': 'affected', 'version': '2.0.34'}, {'status': 'affected', 'version': '2.0.35'}, {'status': 'affected', 'version': '2.0.36'}, {'status': 'affected', 'version': '2.0.37'}, {'status': 'affected', 'version': '2.0.38'}, {'status': 'affected', 'version': '2.0.39'}, {'status': 'affected', 'version': '2.0.40'}, {'status': 'affected', 'version': '2.0.41'}, {'status': 'affected', 'version': '2.0.42'}, {'status': 'affected', 'version': '2.0.43'}, {'status': 'affected', 'version': '2.0.44'}, {'status': 'affected', 'version': '2.0.45'}, {'status': 'affected', 'version': '2.0.46'}, {'status': 'affected', 'version': '2.0.47'}, {'status': 'affected', 'version': '2.0.48'}, {'status': 'affected', 'version': '2.0.49'}, {'status': 'affected', 'version': '2.0.50'}, {'status': 'affected', 'version': '2.0.51'}, {'status': 'affected', 'version': '2.0.52'}, {'status': 'affected', 'version': '2.0.53'}, {'status': 'affected', 'version': '2.0.54'}, {'status': 'affected', 'version': '2.0.55'}, {'status': 'affected', 'version': '2.0.56'}, {'status': 'affected', 'version': '2.0.57'}, {'status': 'affected', 'version': '2.0.58'}, {'status': 'affected', 'version': '2.0.59'}, {'status': 'affected', 'version': '2.0.60'}, {'status': 'affected', 'version': '2.0.61'}, {'status': 'affected', 'version': '2.0.62'}, {'status': 'affected', 'version': '2.0.63'}, {'status': 'affected', 'version': '2.0.64'}]}] Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-285 Added CWE CWE-266 Added Reference https://github.com/nanocoai/nanoclaw/ Added Reference https://github.com/nanocoai/nanoclaw/issues/2761 Added Reference https://vuldb.com/cve/CVE-2026-17433 Added Reference https://vuldb.com/submit/862450 Added Reference https://vuldb.com/vuln/383074 Added Reference https://vuldb.com/vuln/383074/cti