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CVE-2026-16120— nextlevelbuilder GoClaw exec_approval.go extractBin name resolution

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 3.13.3-beta.3版本及之前版本存在输入验证错误漏洞，该漏洞源于文件internal/tools/exec_approval.go中的matchesAllowlist/extractBin函数问题，可能导致名称解析错误，攻击者可以从远程发起攻击。

CVSS 6.3 · Medium EPSS 0.23% · P14

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-2026-16120

Vulnerability Information
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Vulnerability Title
nextlevelbuilder GoClaw exec_approval.go extractBin name resolution
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This impacts the function matchesAllowlist/extractBin of the file internal/tools/exec_approval.go. Executing a manipulation can lead to incorrectly-resolved name. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
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
使用不正确的解析名称或索引
Source: CVE Program / CVE List V5
Vulnerability Title
nextlevelbuilder goclaw 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nextlevelbuilder goclaw是nextlevelbuilder的云计算。 nextlevelbuilder goclaw 3.13.3-beta.3版本及之前版本存在输入验证错误漏洞，该漏洞源于文件internal/tools/exec_approval.go中的matchesAllowlist/extractBin函数问题，可能导致名称解析错误，攻击者可以从远程发起攻击。
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 3.13.3-beta.0 cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16120

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-16120

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Vendor Advisories for CVE-2026-16120 (1)

Other References for CVE-2026-16120 (2)

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-2026-16121 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
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-706

V. Comments for CVE-2026-16120

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