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Vulnerability · Published Jul 18, 2026 · Assigned by VulDB

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

Medium 6.3

In plain English

A medium-severity missing authorization in GoClaw from nextlevelbuilder. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 69.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
nextlevelbuilder GoClaw 3.13.03.13.13.13.2

Weakness: CWE-862, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References