{"action":"Upgrade typo3/cms to 8.7.27 or later.","affected":[{"fixed":"8.7.27","introduced":"8.0.0"},{"fixed":"9.5.8","introduced":"9.0.0"}],"component":"typo3/cms","cve_ids":["CVE-2019-12747"],"ecosystem":"Packagist","epss":0.01554,"exploited":false,"fixed_versions":["8.7.27","9.5.8"],"ghsa_id":"GHSA-86hp-xrhj-fhpq","id":"tcs_01M5KEYQK1AXAXGHVAVT7AV9C0","modified_at":"2026-02-03T03:06:20.328427Z","published_at":"2022-05-24T22:00:13Z","references":["https://osv.dev/vulnerability/GHSA-86hp-xrhj-fhpq","https://nvd.nist.gov/vuln/detail/CVE-2019-12747","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-12747.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-12747.yaml","https://github.com/TYPO3-CMS/core","https://typo3.org/cms/release-news/typo3-8-release-notes","https://typo3.org/security/advisory/typo3-core-sa-2019-020","http://github.com/TYPO3/typo3/commit/647aa7afa582983cddc547fa106d31e2b1ef34fe"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-86hp-xrhj-fhpq#Packagist/typo3/cms","url":"https://osv.dev/vulnerability/GHSA-86hp-xrhj-fhpq"}],"summary":"TYPO3 Vulnerable to Insecure Deserialization"}