{"id":"CVE-2026-21966","aliases":["EUVD-2026-3546","GHSA-m2r3-gq7c-7p58"],"status":"published","title":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality...","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00224,"percentile":0.13107,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-01-20T21:56:33Z","modified":"2026-06-17T10:19:14Z","products":[{"vendor":"oracle","product":"hospitality_opera_5"},{"vendor":"oracle corporation","product":"oracle hospitality opera 5 property services"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2026.html","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21966"},{"url":"https://github.com/advisories/GHSA-m2r3-gq7c-7p58"}],"sources":{"cve":[{"id":"CVE-2026-21966","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","status":"published","published":"2026-01-20T21:56:33.912Z","modified":"2026-01-21T19:54:47.033Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-3546","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","status":"published","published":"2026-01-20T21:56:33Z","modified":"2026-01-21T19:54:47Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:49.473592Z"}],"ghsa":[{"id":"GHSA-m2r3-gq7c-7p58","title":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality...","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","status":"published","published":"2026-01-21T00:31:43Z","modified":"2026-01-21T00:31:51Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:05:50.116831Z"}],"nvd":[{"id":"CVE-2026-21966","description":"Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","status":"published","published":"2026-01-20T22:15:59.607Z","modified":"2026-06-17T10:19:14.987Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:12:04.423757Z"}]}}