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PatchSiren cyber security CVE debrief

CVE-2026-47351 TYPO3 CVE debrief

CVE-2026-47351 is a medium-severity vulnerability in TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2. The issue allows backend users to insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, potentially allowing users to gather information about records and files they are not authorized to view. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 5.3, indicating a medium severity level. The vulnerability is classified under CWE-200 and CWE-862.

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
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by a lack of proper read permission checks when inserting arbitrary records and files into the TYPO3 clipboard. This allows backend users to potentially gather information about records and files they are not authorized to view.

Defensive priority

Medium

Recommended defensive actions

  • Update TYPO3 CMS to version 10.4.31 or later, 13.4.31 or later, or 14.3.3 or later.
  • Review and adjust backend user permissions to ensure proper read access controls are in place.

Evidence notes

The CVE-2026-47351 vulnerability was made public on [cvePublishedAt] and last modified on [cveModifiedAt].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47351 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47351

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

  • CVE-2026-47351 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47351

    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/2740707563343d78184c0b7c6303a7484553d7f3

    f4fb688c-4412-4426-b4b8-421ecf27b14a

  • Source reference

    Unverified legacy reference

    URL: https://github.com/TYPO3/typo3/commit/932fbb9fcea25094e8bcc0f0ec5aab56b1d92451

    f4fb688c-4412-4426-b4b8-421ecf27b14a

  • Source reference

    Unverified legacy reference

    URL: https://typo3.org/security/advisory/typo3-core-sa-2026-014

    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.