{"cve":{"cve_id":"CVE-2026-34311","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":0.00461,"epss_percentile":0.3881,"epss_as_of":"2026-09-15","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6 and  5.6.28. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","published_at":"2026-05-28T20:17:09.292000Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":null,"nvd_references":["https://www.oracle.com/security-alerts/cspumay2026.html"],"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":"2026-06-29T23:46:59.033383Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-hospitality-opera-5-property-services","product_name":"Oracle Hospitality OPERA 5 Property Services","version_start":"5.6.19.24","version_start_inclusive":true,"version_end":"5.6.19.24","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-hospitality-opera-5-property-services:5.6.19.24:5.6.19.24"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-hospitality-opera-5-property-services","product_name":"Oracle Hospitality OPERA 5 Property Services","version_start":"5.6.22","version_start_inclusive":true,"version_end":"5.6.22","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-hospitality-opera-5-property-services:5.6.22:5.6.22"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-hospitality-opera-5-property-services","product_name":"Oracle Hospitality OPERA 5 Property Services","version_start":"5.6.25.19","version_start_inclusive":true,"version_end":"5.6.25.19","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-hospitality-opera-5-property-services:5.6.25.19:5.6.25.19"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-hospitality-opera-5-property-services","product_name":"Oracle Hospitality OPERA 5 Property Services","version_start":"5.6.27.6","version_start_inclusive":true,"version_end":"5.6.27.6","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-hospitality-opera-5-property-services:5.6.27.6:5.6.27.6"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-hospitality-opera-5-property-services","product_name":"Oracle Hospitality OPERA 5 Property Services","version_start":"5.6.28","version_start_inclusive":true,"version_end":"5.6.28","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-hospitality-opera-5-property-services:5.6.28:5.6.28"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.oracle.com/security-alerts/cspumay2026.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-05-28T20:17:09.292000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"}]}