---
id: CVE-2023-43800
aliases:
  - GHSA-4x5q-q7wc-q22p
title: >-
  Arduino Create Agent Insufficient Verification of Data Authenticity
  vulnerability
summary: >-
  Arduino Create Agent Insufficient Verification of Data Authenticity
  vulnerability
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'
vendor: arduino
product: github.com/arduino/arduino-create-agent
ecosystem: go
affected:
  - github.com/arduino/arduino-create-agent < 1.3.3
patched:
  - github.com/arduino/arduino-create-agent 1.3.3
published: '2023-10-18'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:49:24.642017600Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-4x5q-q7wc-q22p'
references:
  - url: >-
      https://github.com/arduino/arduino-create-agent/security/advisories/GHSA-4x5q-q7wc-q22p
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-43800'
  - url: 'https://github.com/arduino/arduino-create-agent'
  - url: 'https://github.com/arduino/arduino-create-agent/releases/tag/1.3.3'
  - url: >-
      https://www.nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide
tags:
  - osv
  - go
epss: 0.00211
epssPercentile: 0.1015
ingestedAt: '2026-09-12T03:13:01.754Z'
---

## Overview

### Impact
The vulnerability affects the endpoint `/v2/pkgs/tools/installed`. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service via a crafted HTTP POST request.
Further details are available in the references.

### Fixed Version
* `1.3.3`

### References
The issue was reported by Nozomi Networks Labs. Further details are available at the following URL:
* https://www.nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide

## Affected packages

- `github.com/arduino/arduino-create-agent < 1.3.3`

## Remediation

Upgrade to a patched release:

- `github.com/arduino/arduino-create-agent 1.3.3`