CVE-2026-34311
Published: 28 May 2026
Summary
CVE-2026-34311 is a critical-severity an unspecified weakness vulnerability. Its CVSS base score is 9.8 (Critical).
Operationally, ranked at the 13.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Vulnerability
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…
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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).
- CWE(s)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-33036
Regulatory context (EU CRA / NIS2 / DORA / UK NIS Regulations)
EU Cyber Resilience Act — coordinated disclosure
Critical and high-severity vulnerabilities in products with digital elements may trigger coordinated-disclosure obligations under the EU Cyber Resilience Act (CRA, Regulation 2024/2847). Manufacturers placing products on the EU market must notify ENISA and the relevant CSIRTs without undue delay once active exploitation is known.
Affected Products
Threat picture
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Defense & controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.