CVE-2026-11607

Summary

Backend users with access to the Form Framework were able to use files not ending in .form.yaml as form definitions, which were processed without denying the incorrect file extension. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. 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.

Affected Software

VendorProductVersion RangeStatus
TYPO3TYPO3 CMS0 < 10.4.57affected
TYPO3TYPO3 CMS11.0.0 < 11.5.51affected
TYPO3TYPO3 CMS12.0.0 < 12.4.46affected
TYPO3TYPO3 CMS13.0.0 < 13.4.31affected
TYPO3TYPO3 CMS14.0.0 < 14.3.3affected

Weaknesses

  • CWE-862: CWE-862 Missing Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References