Typo3
CVE-2026-113459: In versions running on TYPO3 10 and 11, the configured OpenAI API key is embedded in every backend page, so that the editor plugin can contact the OpenAI servic
CVE-2026-113459 Oct 20, 2026 Source: Vendor
In versions running on TYPO3 10 and 11, the configured OpenAI API key is embedded in every backend page, so that the editor plugin can contact the OpenAI service directly from the browser. Any authenticated backend user can read the key and use it at the expense of the site operator. This only applies if an API key has been configured.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-113459
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CVE-2026-113459
BR2026-0000-029137
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Credited as Sven Wappler