CVE-2026-21967
Quick assessment
Affected
Oracle Corporation Oracle Hospitality OPERA 5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Oracle Hospitality Applications是美国甲骨文（Oracle）公司的一套用于酒店管理的业务应用程序、服务器和存储解决方案。该产品提供人力资源成本管理、提供客户整个旅途中服务的跟踪管理来提高客户满意度等功能。 Oracle Hospitality Applications的Oracle Hospitality OPERA 5 5.6.19.23版本、5.6.25.17版本、5.6.26.10版本和5.6.27.4版本存在安全漏洞，该漏洞源于未经验证的攻击者可通过HTTP网络访问进
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21967
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Oracle Hospitality Applications 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Oracle Hospitality Applications是美国甲骨文（Oracle）公司的一套用于酒店管理的业务应用程序、服务器和存储解决方案。该产品提供人力资源成本管理、提供客户整个旅途中服务的跟踪管理来提高客户满意度等功能。 Oracle Hospitality Applications的Oracle Hospitality OPERA 5 5.6.19.23版本、5.6.25.17版本、5.6.26.10版本和5.6.27.4版本存在安全漏洞，该漏洞源于未经验证的攻击者可通过HTTP网络访问进
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Oracle Corporation | Oracle Hospitality OPERA 5 | 5.6.19.23 | - |
|
II. Public POCs for CVE-2026-21967
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21967 (1)
-
https://www.oracle.com/security-alerts/cpujan2026.html vendor-advisory
Same Patch Batch · Oracle Corporation · 2026-01-20 · 66 CVEs total
| CVE-2026-21962 | 10.0 CRITICAL | Oracle Fusion Middleware 安全漏洞 |
| CVE-2026-21969 | 9.8 CRITICAL | Oracle Supply Chain Products Suite 安全漏洞 |
| CVE-2026-21990 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21955 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21988 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21987 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21956 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21973 | 8.1 HIGH | Oracle Financial Services Applications 安全漏洞 |
| CVE-2026-21989 | 8.1 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21957 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21926 | 7.5 HIGH | Oracle Siebel CRM 安全漏洞 |
| CVE-2026-21945 | 7.5 HIGH | Oracle Java SE 安全漏洞 |
| CVE-2026-21982 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21984 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21983 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21940 | 7.5 HIGH | Oracle Supply Chain 安全漏洞 |
| CVE-2026-21932 | 7.4 HIGH | Oracle Java SE 安全漏洞 |
| CVE-2026-21976 | 7.1 HIGH | Oracle Analytics 安全漏洞 |
| CVE-2026-21986 | 7.1 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21939 | 7.0 HIGH | Oracle Database Server 安全漏洞 |
Showing top 20 of 66 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-21967
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