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CVE-2026-49742

TYPO3 CMS - Broken Access Control in Media Module

7.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.31%Up 0.3 points since Jun 9, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

TYPO3 CMS - Broken Access Control in Media Module

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.

Record
CVE-2026-49742
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-22, CWE-200
Updated
2026-11-02
EUVDEUVD-2026-35403 7.1

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.

Record
EUVD-2026-35403
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-chm7-4vch-h8vr 7.1

TYPO3 CMS has Broken Access Control in its Media Module

Problem

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.

Solution

Update to TYPO3 versions 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

Credits

TYPO3 CMS thanks Hyunseo Shin for reporting this issue, and to TYPO3 security team member Torben Hansen for fixing it.

Resources

Record
GHSA-chm7-4vch-h8vr
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-22, CWE-200
Updated
2026-11-02
NVD 7.1

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.

Record
CVE-2026-49742
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-22, CWE-200
Updated
2026-11-02
OSV 7.1

TYPO3 CMS - Broken Access Control in Media Module

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.

Record
CVE-2026-49742
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-200, CWE-22
Updated
2026-11-02
OSVGHSA-chm7-4vch-h8vr 7.1

TYPO3 CMS has Broken Access Control in its Media Module

Problem

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.

Solution

Update to TYPO3 versions 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

Credits

TYPO3 CMS thanks Hyunseo Shin for reporting this issue, and to TYPO3 security team member Torben Hansen for fixing it.

Resources

Record
GHSA-chm7-4vch-h8vr
CVSS 4.0
7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-200, CWE-22
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
typo3/cms-core
Packagist
 11.0.0 up to 11.5.51
11.5.51
typo3/cms-core
Packagist
 12.0.0 up to 12.4.46
12.4.46
typo3/cms-core
Packagist
 13.0.0 up to 13.4.31
13.4.31
typo3/cms-core
Packagist
 14.0.0 up to 14.3.3
14.3.3
typo3/cms-filelist
Packagist
 11.0.0 up to 11.5.51
11.5.51
typo3/cms-filelist
Packagist
 12.0.0 up to 12.4.46
12.4.46
typo3/cms-filelist
Packagist
 13.0.0 up to 13.4.31
13.4.31
typo3/cms-filelist
Packagist
 14.0.0 up to 14.3.3
14.3.3
typo3/cms-core
Packagist
 11.0.0 up to 11.5.51, plus listed versions
v11.0.0v11.1.0v11.1.1v11.2.0v11.3.0
Show 45 moreShow less
v11.3.1v11.3.2v11.3.3v11.4.0v11.5.0v11.5.1v11.5.10v11.5.11v11.5.12v11.5.13v11.5.14v11.5.15v11.5.16v11.5.17v11.5.18v11.5.19v11.5.2v11.5.20v11.5.21v11.5.22v11.5.23v11.5.24v11.5.25v11.5.26v11.5.27v11.5.28v11.5.29v11.5.3v11.5.30v11.5.31v11.5.32v11.5.33v11.5.34v11.5.35v11.5.36v11.5.37v11.5.38v11.5.39v11.5.4v11.5.40v11.5.41v11.5.5v11.5.6v11.5.7v11.5.8
11.5.51
typo3/cms-core
Packagist
 12.0.0 up to 12.4.46, plus listed versions
v12.0.0v12.1.0v12.1.1v12.1.2v12.1.3
Show 45 moreShow less
v12.2.0v12.3.0v12.4.0v12.4.1v12.4.10v12.4.11v12.4.12v12.4.13v12.4.14v12.4.15v12.4.16v12.4.17v12.4.18v12.4.19v12.4.2v12.4.20v12.4.21v12.4.22v12.4.23v12.4.24v12.4.25v12.4.26v12.4.27v12.4.28v12.4.29v12.4.3v12.4.30v12.4.31v12.4.32v12.4.33v12.4.34v12.4.35v12.4.36v12.4.37v12.4.38v12.4.39v12.4.4v12.4.40v12.4.41v12.4.42v12.4.43v12.4.44v12.4.45v12.4.5v12.4.6
12.4.46
Show 6 moreShow less
Affected packages
PackageAffectedFixed
typo3/cms-core
Packagist
 13.0.0 up to 13.4.31, plus listed versions
v13.0.0v13.0.1v13.1.0v13.1.1v13.2.0
Show 34 moreShow less
v13.2.1v13.3.0v13.3.1v13.4.0v13.4.1v13.4.10v13.4.11v13.4.12v13.4.13v13.4.14v13.4.15v13.4.16v13.4.17v13.4.18v13.4.19v13.4.2v13.4.20v13.4.21v13.4.22v13.4.23v13.4.24v13.4.25v13.4.26v13.4.27v13.4.28v13.4.29v13.4.3v13.4.30v13.4.4v13.4.5v13.4.6v13.4.7v13.4.8v13.4.9
13.4.31
typo3/cms-core
Packagist
 14.0.0 up to 14.3.3, plus listed versions
v14.0.0v14.0.1v14.0.2v14.1.0v14.1.1
Show 4 moreShow less
v14.2.0v14.3.0v14.3.1v14.3.2
14.3.3
typo3/cms-filelist
Packagist
 11.0.0 up to 11.5.51, plus listed versions
v11.0.0v11.1.0v11.1.1v11.2.0v11.3.0
Show 45 moreShow less
v11.3.1v11.3.2v11.3.3v11.4.0v11.5.0v11.5.1v11.5.10v11.5.11v11.5.12v11.5.13v11.5.14v11.5.15v11.5.16v11.5.17v11.5.18v11.5.19v11.5.2v11.5.20v11.5.21v11.5.22v11.5.23v11.5.24v11.5.25v11.5.26v11.5.27v11.5.28v11.5.29v11.5.3v11.5.30v11.5.31v11.5.32v11.5.33v11.5.34v11.5.35v11.5.36v11.5.37v11.5.38v11.5.39v11.5.4v11.5.40v11.5.41v11.5.5v11.5.6v11.5.7v11.5.8
11.5.51
typo3/cms-filelist
Packagist
 12.0.0 up to 12.4.46, plus listed versions
v12.0.0v12.1.0v12.1.1v12.1.2v12.1.3
Show 45 moreShow less
v12.2.0v12.3.0v12.4.0v12.4.1v12.4.10v12.4.11v12.4.12v12.4.13v12.4.14v12.4.15v12.4.16v12.4.17v12.4.18v12.4.19v12.4.2v12.4.20v12.4.21v12.4.22v12.4.23v12.4.24v12.4.25v12.4.26v12.4.27v12.4.28v12.4.29v12.4.3v12.4.30v12.4.31v12.4.32v12.4.33v12.4.34v12.4.35v12.4.36v12.4.37v12.4.38v12.4.39v12.4.4v12.4.40v12.4.41v12.4.42v12.4.43v12.4.44v12.4.45v12.4.5v12.4.6
12.4.46
typo3/cms-filelist
Packagist
 13.0.0 up to 13.4.31, plus listed versions
v13.0.0v13.0.1v13.1.0v13.1.1v13.2.1
Show 33 moreShow less
v13.3.0v13.3.1v13.4.0v13.4.1v13.4.10v13.4.11v13.4.12v13.4.13v13.4.14v13.4.15v13.4.16v13.4.17v13.4.18v13.4.19v13.4.2v13.4.20v13.4.21v13.4.22v13.4.23v13.4.24v13.4.25v13.4.26v13.4.27v13.4.28v13.4.29v13.4.3v13.4.30v13.4.4v13.4.5v13.4.6v13.4.7v13.4.8v13.4.9
13.4.31
typo3/cms-filelist
Packagist
 14.0.0 up to 14.3.3, plus listed versions
v14.0.0v14.0.1v14.0.2v14.1.0v14.1.1
Show 4 moreShow less
v14.2.0v14.3.0v14.3.1v14.3.2
14.3.3

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-49742 is a high vulnerability (CVSS 7.1) in Typo3 Cms, published June 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. Fixed in typo3/cms-core 11.5.51.

References

Show 4 moreShow less
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Left out here: 8 versions. The JSON record has them.

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