---
id: CVE-2026-113459
title: >-
  Sensitive Data Exposure in extension "TYPO3 AI Integration Extension"
  (ns_t3ai)
summary: >-
  In versions running on TYPO3 10 and 11, the configured OpenAI API key is
  embedded in every backend page, so that the editor plugin can contact the
  OpenAI service directly from the browser. Any authenticated backend user can
  read the key …
severity: high
cvss: 7.1
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-201
vendor: TYPO3
product: nitsan/ns-t3ai
affected:
  - nitsan/ns-t3ai < 14.0.2
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T09:30:44.456Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113459'
references:
  - url: 'https://typo3.org/security/advisory/typo3-ext-sa-2026-035'
tags:
  - cve.org
ingestedAt: '2026-10-20T12:05:07.347Z'
---

## Overview

In versions running on TYPO3 10 and 11, the configured OpenAI API key is embedded in every backend page, so that the editor plugin can contact the OpenAI service directly from the browser. Any authenticated backend user can read the key and use it at the expense of the site operator. This only applies if an API key has been configured.

## Affected

- `nitsan/ns-t3ai < 14.0.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.