{"id":"CVE-2026-34311","state":"PUBLISHED","title":"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","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).","publishedAt":"2026-05-28T20:17:09.292Z","updatedAt":"2026-05-29T03:56:05.102Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Oracle Hospitality OPERA 5 Property Services"],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Hospitality OPERA 5 Property Services","versions":[{"version":"5.6.19.24","status":"affected","versionType":"semver"},{"version":"5.6.22","status":"affected","versionType":"semver"},{"version":"5.6.25.19","status":"affected","versionType":"semver"},{"version":"5.6.27.6","status":"affected","versionType":"semver"},{"version":"5.6.28","status":"affected","versionType":"semver"}]}],"references":["https://www.oracle.com/security-alerts/cspumay2026.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34311.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34311","state":"PUBLISHED","datePublished":"2026-05-28T20:17:09.292Z","dateUpdated":"2026-05-29T03:56:05.102Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2026-03-26T19:48:45.680Z"},"containers":{"cna":{"descriptions":[{"lang":"en-US","value":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  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CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)."}],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Hospitality OPERA 5 Property Services","versions":[{"version":"5.6.19.24","status":"affected","versionType":"semver"},{"version":"5.6.22","status":"affected","versionType":"semver"},{"version":"5.6.25.19","status":"affected","versionType":"semver"},{"version":"5.6.27.6","status":"affected","versionType":"semver"},{"version":"5.6.28","status":"affected","versionType":"semver"}]}],"references":[{"url":"https://www.oracle.com/security-alerts/cspumay2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"lang":"en-US","description":"Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  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