{"cve":{"cve_id":"CVE-2026-1323","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":0.11715,"epss_as_of":"2026-06-23","description":"The extension fails to properly define allowed classes used when deserializing transport failure metadata. An attacker may exploit this to execute untrusted serialized code. Note that an active exploit requires write access to the directory configured at $GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport_spool_filepath'].","published_at":"2026-03-17T08:33:05.160000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":5.2,"cvss_v4_vector":"CVSS:4.0/AV:L/AC:L/AT:P/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-ext-sa-2026-005"],"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":"2026-06-28T23:28:58.306070Z"},"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":"P","value_label":"Present"},{"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":"extension-mailqueue","product_name":"Extension \"Mailqueue\"","version_start":"0","version_start_inclusive":true,"version_end":"0.4.5","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:extension-mailqueue:0:0.4.5"},{"vendor_slug":"typo3","vendor_name":"TYPO3","product_slug":"extension-mailqueue","product_name":"Extension \"Mailqueue\"","version_start":"0.5.0","version_start_inclusive":true,"version_end":"0.5.2","version_end_inclusive":false,"cpe23_uri":"cve5:typo3:extension-mailqueue:0.5.0:0.5.2"}],"exploit_refs":[],"news":[],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-005","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-03-17T08:33:05.160000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"}]}