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CVE-2026-16199— nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper 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 3.13.3-beta.3及之前版本存在安全漏洞，该漏洞源于文件goclaw/internal/tools/credentialed_exec.go中ExecTool.Execute函数存在授权问题，可能导致授权不当。

CVSS 6.3 · Medium EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
nextlevelbuilder GoClaw 3.13.3-beta.0 affected
3.13.3-beta.1 affected
3.13.3-beta.2 affected
3.13.3-beta.3 affected
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I. Basic Information for CVE-2026-16199

Vulnerability Information
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Vulnerability Title
nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This affects the function ExecTool.Execute of the file goclaw/internal/tools/credentialed_exec.go. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been published and may be used.
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
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Next Level Builder GoClaw 权限许可和访问控制问题漏洞
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 3.13.3-beta.3及之前版本存在安全漏洞，该漏洞源于文件goclaw/internal/tools/credentialed_exec.go中ExecTool.Execute函数存在授权问题，可能导致授权不当。
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 3.13.3-beta.0 cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16199

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III. Intelligence Information for CVE-2026-16199

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Vendor Advisories for CVE-2026-16199 (1)

Proof of Concept for CVE-2026-16199 (1)

Other References for CVE-2026-16199 (1)

IV. Related Vulnerabilities

Same product: GoClaw
Same vendor: nextlevelbuilder
Same weakness: CWE-285

V. Comments for CVE-2026-16199

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