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Vulnerabilities ›

CVE-2026-21967

High

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet). Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.

                    Published: Jan 20, 2026                      ·  Modified: Feb 28, 2026                      ·  Source: NVD                

CVSS v3

8.6

🔗 NVD Official

📄 Description (English)

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet). 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. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 accessible data as well as unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hospitality OPERA 5. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).

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🔗 References & Sources 1

https://www.oracle.com/security-alerts/cpujan2026.html

secalert_us@oracle.com

Vendor Advisory

📦 Affected Products / CPE 4 entries

oracle:hospitality_opera_5:5.6.19.23

oracle:hospitality_opera_5:5.6.25.17

oracle:hospitality_opera_5:5.6.26.10

oracle:hospitality_opera_5:5.6.27.4

📊 CVSS Score

8.6

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityL — Low / Local

AvailabilityL — Low / Local

📋 Quick Facts

Severity High

CVSS Score8.6

EPSS0.07%

Exploit No

Patch ✓ Yes

Published 2026-01-20

Source Feed nvd

Views 1

🏢 Vendor Advisories

🔗 https://www.oracle.com/security-alerts/cpujan2026.html

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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