CVE-2026-73931
HighCVSS 8.3Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server) version 4.5.3. Easily exploitable by unauthenticated attacker via HTTP, may impact additional products (scope change). Can allow unauthorized update/insert/delete, unauthorized read of some data, and partial DoS. CVSS 8.3.
Risk Assessment
Attack can compromise confidentiality, integrity, and availability, and affect other systems, increasing potential damage.
Recommendation
Apply available patches or upgrade Helidon to a non-vulnerable version.
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 4.5.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). 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 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L).