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CVE-2026-49741— TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework

Quick assessment

Affected
TYPO3 TYPO3 CMS
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.

TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS 14.0.0至14.3.3版本存在SQL注入漏洞，该漏洞源于具有form_definition数据库表写入权限的后端用户能够通过DataHandler直接创建、更新或删除表单定义记录，绕过了表单框架的持久性验证和权限检查，允许注入任意表单配置，重新启用TYPO3-CORE-SA-2018-003中解决的攻击向量，包括SQL注入和权限提升。

AI Predicted 8.5 Difficulty: Easy EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
TYPO3 TYPO3 CMS 14.0.0< 14.3.3 affected
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I. Basic Information for CVE-2026-49741

Vulnerability Information
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Vulnerability Title
TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework
Source: CVE Program / CVE List V5
Vulnerability Description
Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003, including SQL injection and privilege escalation. This issue affects TYPO3 CMS versions 14.0.0-14.3.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 CMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS 14.0.0至14.3.3版本存在SQL注入漏洞，该漏洞源于具有form_definition数据库表写入权限的后端用户能够通过DataHandler直接创建、更新或删除表单定义记录，绕过了表单框架的持久性验证和权限检查，允许注入任意表单配置，重新启用TYPO3-CORE-SA-2018-003中解决的攻击向量，包括SQL注入和权限提升。
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
TYPO3 TYPO3 CMS 14.0.0 ~ 14.3.3 -

II. Public POCs for CVE-2026-49741

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III. Intelligence Information for CVE-2026-49741

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Vendor Advisories for CVE-2026-49741 (2)

Same Patch Batch · TYPO3 · 2026-06-09 · 13 CVEs total

CVE-2026-47347 TYPO3 CMS - Open Redirect in Core Utilities
CVE-2026-47349 TYPO3 CMS - Broken Access Control in Recycler
CVE-2026-47350 TYPO3 CMS - Broken Access Control in DataHandler
CVE-2026-47348 TYPO3 CMS - Cross-Site Scripting in Indexed Search
CVE-2026-47352 TYPO3 CMS - Broken Access Control in Backend API
CVE-2026-47346 TYPO3 CMS - Broken Access Control in Form Framework
CVE-2026-47351 TYPO3 CMS - Broken Access Control in Clipboard
CVE-2026-47343 TYPO3 CMS - Destructive Actions on File Mount Folders
CVE-2026-11607 TYPO3 CMS - Broken Access Control in Form Framework
CVE-2026-49742 TYPO3 CMS - Broken Access Control in Media Module
CVE-2026-49738 TYPO3 CMS - Broken Access Control in File Abstraction Layer
CVE-2026-49740 TYPO3 CMS - Insecure Deserialization in Core API

IV. Related Vulnerabilities

Same product: TYPO3 CMS
Same vendor: TYPO3
Same weakness: CWE-862

V. Comments for CVE-2026-49741

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