nanocoai NanoClaw MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization
Summary
| CVE | CVE-2026-17433 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-26 03:16:32 UTC |
| Updated | 2026-07-26 03:16:32 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 1.9 LOW from [email protected]
CVSS: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
Problem Types: CWE-266 | CWE-285 | CWE-285 Improper Authorization | CWE-266 Incorrect Privilege Assignment
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 1.9 | LOW | CVSS: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/C... |
| 4.0 | CNA | DECLARED | 4.8 | MEDIUM | CVSS: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 |
| 3.1 | [email protected] | Primary | 5.3 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | DECLARED | 5.3 | MEDIUM | 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 |
| 3.0 | CNA | DECLARED | 5.3 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P | |
| 2.0 | CNA | DECLARED | 4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
LowAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Nanocoai | NanoClaw | affected 2.0.0 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.1 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.2 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.3 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.4 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.5 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.6 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.7 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.8 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.9 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.10 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.11 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.12 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.13 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.14 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.15 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.16 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.17 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.18 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.19 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.20 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.21 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.22 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.23 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.24 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.25 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.26 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.27 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.28 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.29 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.30 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.31 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.32 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.33 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.34 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.35 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.36 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.37 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.38 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.39 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.40 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.41 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.42 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.43 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.44 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.45 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.46 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.47 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.48 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.49 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.50 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.51 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.52 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.53 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.54 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.55 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.56 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.57 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.58 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.59 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.60 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.61 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.62 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.63 | Not specified |
| CNA | Nanocoai | NanoClaw | affected 2.0.64 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/nanocoai/nanoclaw/issues/2761 | [email protected] | github.com | |
| vuldb.com/submit/862450 | [email protected] | vuldb.com | |
| github.com/nanocoai/nanoclaw | [email protected] | github.com | |
| vuldb.com/cve/CVE-2026-17433 | [email protected] | vuldb.com | |
| vuldb.com/vuln/383074 | [email protected] | vuldb.com | |
| vuldb.com/vuln/383074/cti | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Erichen-x (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-07-25T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-07-25T02:00:00.000Z | VulDB entry created |
| CNA | 2026-07-25T13:14:42.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.