6.5
MEDIUM CVSS 2.0
CVE-2026-16123
nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization
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.

INFO

Published Date :

July 18, 2026, 3:17 p.m.

Last Modified :

July 18, 2026, 3:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-16123 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nextlevelbuilder goclaw
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update GoClaw to a version later than 3.13.2 to fix the missing authorization vulnerability.
  • Update GoClaw to a version later than 3.13.2.
  • Apply the latest security patches for GoClaw.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-16123 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-16123 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-16123 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-16123 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 18, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*'], 'vendor': 'nextlevelbuilder', 'modules': ['Invoke Endpoint'], 'product': 'GoClaw', 'versions': [{'status': 'affected', 'version': '3.13.0'}, {'status': 'affected', 'version': '3.13.1'}, {'status': 'affected', 'version': '3.13.2'}]}]
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-862
    Added CWE CWE-863
    Added Reference https://github.com/nextlevelbuilder/goclaw/
    Added Reference https://github.com/nextlevelbuilder/goclaw/issues/1217
    Added Reference https://github.com/nextlevelbuilder/goclaw/issues/1217#issuecomment-4759982122
    Added Reference https://vuldb.com/cve/CVE-2026-16123
    Added Reference https://vuldb.com/submit/856857
    Added Reference https://vuldb.com/vuln/379832
    Added Reference https://vuldb.com/vuln/379832/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.