CVE-2026-17434

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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/nanocoai/nanoclaw/
https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922dfbf8d8
https://github.com/nanocoai/nanoclaw/issues/2762
https://github.com/nanocoai/nanoclaw/pull/2998
https://vuldb.com/cve/CVE-2026-17434
https://vuldb.com/submit/862451
https://vuldb.com/vuln/383075
https://vuldb.com/vuln/383075/cti

Configurations

No configuration.

History

26 Jul 2026, 04:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-26 04:16

Updated : 2026-07-27 20:25

NVD link : CVE-2026-17434

Mitre link : CVE-2026-17434

CVE.ORG link : CVE-2026-17434

JSON object : View

Products Affected

No product.

CWE

CWE-266

Incorrect Privilege Assignment

CWE-285

Improper Authorization

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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."}], "lastModified": "2026-07-27T20:25:13.817", "sourceIdentifier": "cna@vuldb.com"}