CVE-2026-17434
nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization
Published Jul 26, 2026
CVSS 4.0 · 5.3 Medium
EPSS < 1%
KEV · Not listed
Description
A flaw has been found in nanocoai NanoClaw up to 2.0.64. Affected is the function handleAddMcpServer of the file src/modules/self-mod/request.ts of the component add_mcp_server. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been published and may be used. This patch is called e5b928783d5c485637565eb07d2967922dfbf8d8. A patch should be applied to remediate this issue.
Affected Products
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CVE record
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NVD configurations
No data
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Red Hat packages
No data
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| nanocoai | NanoClaw | affected |
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No data.
No data.
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| Nanocoai | Nanoclaw |
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Remediation
Tracking
Advisories
Metrics
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Attack Requirements None
User Interaction None
Vulnerable System Confidentiality Impact Low
Vulnerable System Integrity Impact Low
Vulnerable System Availability Impact Low
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
User Interaction None
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
User Interaction None
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.374% probability within 30 days)
Exploitation poc
Automatable no
Technical Impact partial
References
History
Jul 27, 2026 3:30 PM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Jul 26, 2026 4:00 AM
Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw has been found in nanocoai NanoClaw up to 2.0.64. Affected is the function handleAddMcpServer of the file src/modules/self-mod/request.ts of the component add_mcp_server. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been published and may be used. This patch is called e5b928783d5c485637565eb07d2967922dfbf8d8. A patch should be applied to remediate this issue. | |
| Title | nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization | |
| First Time appeared |
Nanocoai
Nanocoai nanoclaw |
|
| Weaknesses | CWE-266 CWE-285 |
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| CPEs | cpe:2.3:a:nanocoai:nanoclaw:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Nanocoai
Nanocoai nanoclaw |
|
| References |
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| Metrics |
cvssV2_0
|
