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CVE-2026-21966

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 Hos
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:84ae9d057ad7af6d8cb221619b504ef070ba611cd3ce21092b1e63d053ae3921
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"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…

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/cna/problemTypes/0/descriptions/0

{"description":"CWE-noinfo Not enough information","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"Oracle Hospitality OPERA 5 Property Services","vendor":"Oracle Corporation","versions":[{"status":"affected","version":"5.6.19.23","versionType":"semver"},{"status":"affected","version":"5.6.25.17","versionType":"semver"},{"status":"affected","version":"5.6.26.10","versionType":"semver"},{"status":"affected","version":"5.6.27.4","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"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…
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/cna/problemTypes/0/descriptions/0
{"description":"CWE-noinfo Not enough information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Oracle Advisory","tags":["vendor-advisory"],"url":"https://www.oracle.com/security-alerts/cpujan2026.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:906952b6e4c1369263c686d7ef3429759362c1e499c7f16bbeb12718626c04fa · sha256:4bd7751beded6ae0… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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