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CVE-2026-16122— nextlevelbuilder GoClaw exec_approval.go matchesAllowlist 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.

Next Level Builder GoClaw是Next Level Builder个人开发者的一款云端数据抓取工具。 Next Level Builder 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，该漏洞源于文件internal/tools/exec_approval.go中的extractBin/RequestApproval/matchesAllowlist函数存在授权问题，可能导致攻击者利用该漏洞进行攻击。

CVSS 4.3 · Medium EPSS 0.31% · P21

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

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-2026-16122

Vulnerability Information
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Vulnerability Title
nextlevelbuilder GoClaw exec_approval.go matchesAllowlist authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in nextlevelbuilder GoClaw up to 3.13.2. Affected by this vulnerability is the function extractBin/RequestApproval/matchesAllowlist of the file internal/tools/exec_approval.go. The manipulation results in incorrect authorization. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Next Level Builder GoClaw 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Next Level Builder GoClaw是Next Level Builder个人开发者的一款云端数据抓取工具。 Next Level Builder 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，该漏洞源于文件internal/tools/exec_approval.go中的extractBin/RequestApproval/matchesAllowlist函数存在授权问题，可能导致攻击者利用该漏洞进行攻击。
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-2026-16122

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III. Intelligence Information for CVE-2026-16122

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Vendor Advisories for CVE-2026-16122 (1)

Proof of Concept for CVE-2026-16122 (1)

Other References for CVE-2026-16122 (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-2026-16123 6.3 MEDIUM nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP autho
CVE-2026-16124 6.3 MEDIUM nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery

IV. Related Vulnerabilities

Same product: GoClaw
Same vendor: nextlevelbuilder
Same weakness: CWE-863

V. Comments for CVE-2026-16122

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