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CVE-2026-49742— TYPO3 CMS - Broken Access Control in Media Module

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 11.0.0至11.5.50版本、12.0.0至12.4.45版本、13.0.0至13.4.30版本和14.0.0至14.3.2版本存在路径遍历漏洞，该漏洞源于具有文件下载权限的后端用户能够通过媒体模块从文件抽象层的回退存储下载文件，由于回退存储相对于服务器文档根目录解析路径，可能暴露敏感文件如日志文件。

AI Predicted 5.3 Difficulty: Easy EPSS 0.46% · P37

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 4

VendorProduct Version RangeStatus
TYPO3 TYPO3 CMS 11.0.0< 11.5.51 affected
12.0.0< 12.4.46 affected
13.0.0< 13.4.31 affected
14.0.0< 14.3.3 affected
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I. Basic Information for CVE-2026-49742

Vulnerability Information
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Vulnerability Title
TYPO3 CMS - Broken Access Control in Media Module
Source: CVE Program / CVE List V5
Vulnerability Description
Backend users with file download permissions were able to download files from the fallback storage of the file abstraction layer (FAL) via the Media Module. Since the fallback storage resolves paths relative to the server's document root, this could expose sensitive files such as log files. This issue affects TYPO3 CMS versions 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 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:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 CMS 路径遍历漏洞
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 11.0.0至11.5.50版本、12.0.0至12.4.45版本、13.0.0至13.4.30版本和14.0.0至14.3.2版本存在路径遍历漏洞，该漏洞源于具有文件下载权限的后端用户能够通过媒体模块从文件抽象层的回退存储下载文件，由于回退存储相对于服务器文档根目录解析路径，可能暴露敏感文件如日志文件。
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 11.0.0 ~ 11.5.51 -

II. Public POCs for CVE-2026-49742

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III. Intelligence Information for CVE-2026-49742

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Patches & Fixes for CVE-2026-49742 (2)

Vendor Advisories for CVE-2026-49742 (1)

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-2026-49738 TYPO3 CMS - Broken Access Control in File Abstraction Layer
CVE-2026-49740 TYPO3 CMS - Insecure Deserialization in Core API
CVE-2026-49741 TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework

IV. Related Vulnerabilities

Same product: TYPO3 CMS
Same vendor: TYPO3
Same weakness: CWE-22

V. Comments for CVE-2026-49742

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