Broken Access Control in extension "TYPO3 AI Integration Extension" (ns_t3ai)

published 2026-10-20 19 d ago modified 2026-10-20 19 d ago also EUVD-2026-104864

cvss: 7.2; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

The extension provides a backend endpoint that writes a submitted value into a submitted field of a submitted page record. It neither checks the user's permissions nor limits which fields can be changed. Any authenticated backend user can therefore change any property of any page, including its access permissions and configuration, outside the scope granted to them.

Patch / fix

fixed in 1

TYPO3 Extension "TYPO3 AI Integration Extension" 14.0.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 d ago (2026-10-20)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
CNA	4.0	7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

TYPO3 Extension "TYPO3 AI Integration Extension"

Classification

Weakness

CWE-862 Missing Authorization
CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

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

Sources

CVE List CVE-2026-112239
NVD CVE-2026-112239

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary