CVE-2026-19418Network attack vectorHinoki check available

Privileged request forgery via site-root referrer trust

Published Aug 11, 2026 · Updated Aug 11, 2026

CSRF in TYPO3 CMS 13.0.0 through 13.4.33 and 14.0.0 through 14.3.5 allows attackers to invoke privileged endpoints. ReferrerEnforcer compares the Referer URL with the main entry script's directory, now the site root, and misclassifies any same-domain page as a trusted backend or Install Tool origin. Exploitation requires script execution on a TYPO3 domain and an authenticated victim, after which Fetch or XHR requests run with that victim's permissions.

CVSS severity7.3
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

CSRF in TYPO3 CMS 13.0.0 through 13.4.33 and 14.0.0 through 14.3.5 allows attackers to invoke privileged endpoints. ReferrerEnforcer compares the Referer URL with the main entry script's directory, now the site root, and misclassifies any same-domain page as a trusted backend or Install Tool origin. Exploitation requires script execution on a TYPO3 domain and an authenticated victim, after which Fetch or XHR requests run with that victim's permissions.

The record

CVE
CVE-2026-19418
Published
Aug 11, 2026
Updated
Aug 11, 2026
Vendor
in2code GmbH
Product
TYPO3 CMS
Classifications
CWE-352, CWE-346, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.0.0 <13.4.34
  2. Affected versionversion=14.0.0 <14.3.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

in2code GmbH · TYPO3 CMSversion=13.0.0 <13.4.34; version=14.0.0 <14.3.6

Published CVSS scores

7.3TYPO3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CWE-346Origin Validation Error
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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