Provide references for CVE-2020-26216.
Where can I find more information about CVE-2020-26216?
References are available at: https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf, https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc, https://typo3.org/security/advisory/typo3-core-sa-2020-009.