Backend Manipulation Vulnerability in TYPO3 Extension by TYPO3
CVE-2026-112239

7.2HIGH

Key Information:

Vendor

Typo3

Status
Extension "typo3 Ai Integration Extension"
Vendor
CVE Published:
20 October 2026

What is CVE-2026-112239?

The TYPO3 extension contains a vulnerability that allows authenticated backend users to manipulate page records. This flaw arises from the lack of proper permissions checks and restrictions on which fields can be modified. As a result, any authenticated user can alter any property of a page record, including crucial settings and access permissions, leading to potential misuse and security breaches.

Affected Version(s)

Extension "TYPO3 AI Integration Extension" 0 < 14.0.2

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-035
vendor-advisory

CVSS V4

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sven Wappler
Nitsan
.