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PatchSiren cyber security CVE debrief

CVE-2026-47352 TYPO3 CVE debrief

CVE-2026-47352 is a vulnerability in TYPO3 CMS that allows authenticated backend users to retrieve file metadata without proper permission checks. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.51, 12.0.0-12.4.46, 13.0.0-13.4.31, and 14.0.0-14.3.3. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM.

Vendor
TYPO3
Product
TYPO3 CMS
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-07-15
Advisory published
2026-06-09
Advisory updated
2026-07-15

Who should care

Users of TYPO3 CMS, especially those with authenticated backend users, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

Authenticated backend users were able to retrieve file metadata via several Backend API routes without proper permission checks, allowing access to files outside their permitted file mounts or storages.

Defensive priority

MEDIUM

Recommended defensive actions

  • Upgrade to a patched version of TYPO3 CMS (10.4.57, 11.5.51, 12.4.46, 13.4.31, or 14.3.3 or later).
  • Review and adjust permission checks for Backend API routes to ensure proper access control.

Evidence notes

The CVE record and NVD detail provide information on the vulnerability, including its CVSS score and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47352 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47352

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47352 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47352

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/TYPO3/typo3/commit/17a3b7830d5931725db5fdab0cfc76d479884c96

    f4fb688c-4412-4426-b4b8-421ecf27b14a

  • Source reference

    Unverified legacy reference

    URL: https://github.com/TYPO3/typo3/commit/bfe7c354168f467726020ed49299dd209a455719

    f4fb688c-4412-4426-b4b8-421ecf27b14a

  • Source reference

    Unverified legacy reference

    URL: https://typo3.org/security/advisory/typo3-core-sa-2026-015

    f4fb688c-4412-4426-b4b8-421ecf27b14a

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.