CVE-2026-73891
HighCVSS 7.3Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) in version 4.5.0. An unauthenticated attacker with network access via HTTP can easily exploit this vulnerability to gain unauthorized update, insert, or delete access to some Helidon accessible data, unauthorized read access to a subset of data, and the ability to cause a partial denial of service (partial DoS).
Risk Assessment
The risk includes compromise of confidentiality, integrity, and availability, potentially leading to unauthorized changes, information disclosure, and partial service unavailability.
Recommendation
Apply Oracle patches for version 4.5.0 and restrict network access to the Helidon server.
Original NVD description (English source)
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).