CVE-2026-34311

criticalpriority · track · 0EPSS 0.005 · 40 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.46% (40th) EPSS

CVSS 9.8 · critical

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-26

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).

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secalert_us@oracle.com USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USLLM-inferred

affected products (10)

Products and version ranges known to be affected.

Oracle Corporation Oracle Hospitality OPERA 5 Property Services≤ 5.6.22enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5 Property Services≤ 5.6.19.24enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5 Property Services≤ 5.6.25.19enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5 Property Services≤ 5.6.28enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5 Property Services≤ 5.6.27.6enisa_euvdEU
oracle hospitality opera 5 property services= 5.6.19.24nvdUScpe:2.3:a:oracle:hospitality_opera_5_property_services:*:*:*:*:*:*:*:*
oracle hospitality opera 5 property services= 5.6.22nvdUScpe:2.3:a:oracle:hospitality_opera_5_property_services:*:*:*:*:*:*:*:*
oracle hospitality opera 5 property services= 5.6.25.19nvdUScpe:2.3:a:oracle:hospitality_opera_5_property_services:*:*:*:*:*:*:*:*
oracle hospitality opera 5 property services= 5.6.27.6nvdUScpe:2.3:a:oracle:hospitality_opera_5_property_services:*:*:*:*:*:*:*:*
oracle hospitality opera 5 property services= 5.6.28nvdUScpe:2.3:a:oracle:hospitality_opera_5_property_services:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2026-05-28modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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