{"cve":{"cve_id":"CVE-2026-49740","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00215,"epss_percentile":0.11735,"epss_as_of":"2026-06-23","description":"TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads without integrity validation or class restrictions. An attacker with write access to the underlying storage backend (cache store or sys_registry database table) could inject a crafted serialized payload to trigger PHP Object Injection, potentially exploiting a gadget chain to achieve Remote Code Execution or other high-impact effects. Exploiting this vulnerability requires direct local write access to the storage, such as the SQL database or file system. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.51, 12.0.0-12.4.46, 13.0.0-13.4.31 and 14.0.0-14.3.3.","published_at":"2026-06-09T10:53:55.777000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":6.3,"cvss_v4_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-502"],"nvd_references":["https://typo3.org/security/advisory/typo3-core-sa-2026-018","https://github.com/TYPO3/typo3/commit/48bcf24f31f52cc0b43d3bea4984634bd2cf85c7","https://github.com/TYPO3/typo3/commit/87cd7c5b710c44d3606fed277b040a75dc6a9c02"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:46.591291Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"H","value_label":"High"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"H","value_label":"High"},{"metric":"SA","name":"Availability (Subsequent System)","value":"H","value_label":"High"}]},"affected":[{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"typo3-cms","product_name":"TYPO3 CMS","version_start":"0","version_start_inclusive":true,"version_end":"10.4.57","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:typo3-cms:0:10.4.57"},{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"typo3-cms","product_name":"TYPO3 CMS","version_start":"11.0.0","version_start_inclusive":true,"version_end":"11.5.51","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:typo3-cms:11.0.0:11.5.51"},{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"typo3-cms","product_name":"TYPO3 CMS","version_start":"12.0.0","version_start_inclusive":true,"version_end":"12.4.46","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:typo3-cms:12.0.0:12.4.46"},{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"typo3-cms","product_name":"TYPO3 CMS","version_start":"13.0.0","version_start_inclusive":true,"version_end":"13.4.31","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:typo3-cms:13.0.0:13.4.31"},{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"typo3-cms","product_name":"TYPO3 CMS","version_start":"14.0.0","version_start_inclusive":true,"version_end":"14.3.3","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:typo3-cms:14.0.0:14.3.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://typo3.org/security/advisory/typo3-core-sa-2026-018","source_type":"MISC","tags":[]},{"url":"https://github.com/TYPO3/typo3/commit/48bcf24f31f52cc0b43d3bea4984634bd2cf85c7","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/TYPO3/typo3/commit/87cd7c5b710c44d3606fed277b040a75dc6a9c02","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-06-09T10:53:55.777000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"}]}