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TI-2026-36656 Aliases CVE-2026-49738GHSA-jf56-v8jc-jcc5

TYPO3 CMS - Broken Access Control in File Abstraction Layer

Priority LOW 11CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.

Summary

The path allowance check in GeneralUtility::isAllowedAbsPath() performed a plain string prefix comparison without requiring a directory separator boundary, causing a path like /var/www/html-other/secret.yaml to be incorrectly accepted as valid when the project root was /var/www/html. Administrator users with access to the File Abstraction Layer were able to create new file storage definitions pointing to directories outside the project root, bypassing this path check. This issue affects TYPO3 CMS versions before 10.4.57, 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00356 29th percentileScored 2026-11-07
Fix Fixed TYPO3 CMS (TYPO3): 10.4.57, 11.5.51, 12.4.46 +2typo3/cms-core (Packagist): 10.4.57, 11.5.51, 12.4.46 +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TYPO3TYPO3 CMSbefore 10.4.57; 11.0.0 to before 11.5.51; 12.0.0 to before 12.4.46; 13.0.0 to before 13.4.31; 14.0.0 to before 14.3.310.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3Patch availableCNA
—typo3/cms-core (Packagist)before 10.4.5710.4.57Patch availableGHSA-jf56-v8jc-jcc5
—typo3/cms-core (Packagist)11.0.0 to before 11.5.5111.5.51Patch availableGHSA-jf56-v8jc-jcc5
—typo3/cms-core (Packagist)12.0.0 to before 12.4.4612.4.46Patch availableGHSA-jf56-v8jc-jcc5
—typo3/cms-core (Packagist)13.0.0 to before 13.4.3113.4.31Patch availableGHSA-jf56-v8jc-jcc5
—typo3/cms-core (Packagist)14.0.0 to before 14.3.314.3.3Patch availableGHSA-jf56-v8jc-jcc5
  • TYPO3 CMS VendorTYPO3 Affected before 10.4.57; 11.0.0 to before 11.5.51; 12.0.0 to before 12.4.46; 13.0.0 to before 13.4.31; 14.0.0 to before 14.3.3 Fixed in 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3 Patch available CNA
  • typo3/cms-core (Packagist) Vendor— Affected before 10.4.57 Fixed in 10.4.57 Patch available GHSA-jf56-v8jc-jcc5
  • typo3/cms-core (Packagist) Vendor— Affected 11.0.0 to before 11.5.51 Fixed in 11.5.51 Patch available GHSA-jf56-v8jc-jcc5
  • typo3/cms-core (Packagist) Vendor— Affected 12.0.0 to before 12.4.46 Fixed in 12.4.46 Patch available GHSA-jf56-v8jc-jcc5
  • typo3/cms-core (Packagist) Vendor— Affected 13.0.0 to before 13.4.31 Fixed in 13.4.31 Patch available GHSA-jf56-v8jc-jcc5
  • typo3/cms-core (Packagist) Vendor— Affected 14.0.0 to before 14.3.3 Fixed in 14.3.3 Patch available GHSA-jf56-v8jc-jcc5

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*——TYPO3
  • cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* Versions — — ·TYPO3

Remediation

  • Fix · CNA TYPO3 CMS (TYPO3) Fixed in 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • Fix · GHSA-jf56-v8jc-jcc5 typo3/cms-core (Packagist) Fixed in 10.4.57 Advisory →
  • Fix · GHSA-jf56-v8jc-jcc5 typo3/cms-core (Packagist) Fixed in 11.5.51 Advisory →
  • Fix · GHSA-jf56-v8jc-jcc5 typo3/cms-core (Packagist) Fixed in 12.4.46 Advisory →
  • Fix · GHSA-jf56-v8jc-jcc5 typo3/cms-core (Packagist) Fixed in 13.4.31 Advisory →
  • Fix · GHSA-jf56-v8jc-jcc5 typo3/cms-core (Packagist) Fixed in 14.3.3 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    TYPO3 CMS 10.4.57, 11.5.51 and 3 more versions

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

    • TI-2026-34921 TYPO3 CMS - Broken Access Control in Form FrameworkPriority LOW 35
    • TI-2026-10021 TYPO3 CMS - Broken Access Control in Form FrameworkPriority LOW 35
    • TI-2026-34918 TYPO3 CMS - Destructive Actions on File Mount FoldersPriority LOW 31
    Show all 8 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-49738
  2. 2026-10-03 Alias added: GHSA-jf56-v8jc-jcc5

References

Patch 2

Advisory 2

Other 3

  • TI-2023-10314 Persisted Cross-Site Scripting in Frontend Rendering in typo3 CVSS 3.1HIGH 8.8
  • TI-2010-03538 The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php in TYPO3… CVSS 2.0HIGH 7.1
  • TI-2009-00775 The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before… CVSS 2.0MEDIUM 5.0
  • TI-2025-30547 The sr_feuser_register extension through 12.4.8 for TYPO3 allows Remote Code Execution. CVSS 3.1CRITICAL 10.0
  • TI-2019-08867 The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before… CVSS 3.1CRITICAL 9.8
  • TI-2008-04019 Unspecified vulnerability in the TYPO3 Secure Directory (kw_secdir) extension before… CVSS 2.0HIGH 10.0
See all 411 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences