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CVE-2026-16123— nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization

Quick assessment

Affected
nextlevelbuilder GoClaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

nextlevelbuilder goclaw是nextlevelbuilder的云计算。 nextlevelbuilder goclaw 3.13.0版本、3.13.1版本和3.13.2版本存在授权问题漏洞，该漏洞源于Invoke Endpoint组件的internal/http/tools_invoke.go文件中的ToolsInvokeHandler.ServeHTTP函数存在授权缺失问题，可能导致远程攻击。

CVSS 6.3 · Medium EPSS 0.37% · P28

Affected Version Matrix 3

VendorProduct Version RangeStatus
nextlevelbuilder GoClaw 3.13.0 affected
3.13.1 affected
3.13.2 affected
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I. Basic Information for CVE-2026-16123

Vulnerability Information
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Vulnerability Title
nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in nextlevelbuilder GoClaw up to 3.13.2. Affected by this issue is the function ToolsInvokeHandler.ServeHTTP of the file internal/http/tools_invoke.go of the component Invoke Endpoint. This manipulation causes missing authorization. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
nextlevelbuilder goclaw 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nextlevelbuilder goclaw是nextlevelbuilder的云计算。 nextlevelbuilder goclaw 3.13.0版本、3.13.1版本和3.13.2版本存在授权问题漏洞，该漏洞源于Invoke Endpoint组件的internal/http/tools_invoke.go文件中的ToolsInvokeHandler.ServeHTTP函数存在授权缺失问题，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nextlevelbuilder GoClaw 3.13.0 cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16123

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III. Intelligence Information for CVE-2026-16123

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Proof of Concept for CVE-2026-16123 (1)

News Coverage for CVE-2026-16123 (1)

Other References for CVE-2026-16123 (1)

Same Patch Batch · nextlevelbuilder · 2026-07-18 · 6 CVEs total

CVE-2026-16119 6.3 MEDIUM nextlevelbuilder GoClaw WebSocket Approval Endpoint exec_approval.go RequestApproval autho
CVE-2026-16120 6.3 MEDIUM nextlevelbuilder GoClaw exec_approval.go extractBin name resolution
CVE-2026-16121 6.3 MEDIUM nextlevelbuilder GoClaw exec_approval.go isSafeBin improper authorization
CVE-2026-16124 6.3 MEDIUM nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery
CVE-2026-16122 4.3 MEDIUM nextlevelbuilder GoClaw exec_approval.go matchesAllowlist authorization

IV. Related Vulnerabilities

Same product: GoClaw
Same vendor: nextlevelbuilder
Same weakness: CWE-862

V. Comments for CVE-2026-16123

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