CVE-2026-71155
HighCVSS 8.5Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) version 3.2.18. Easily exploitable by low-privileged attacker via HTTP, may impact additional products (scope change). Successful attacks can result in unauthorized access to critical data or complete access to all Helidon accessible data and unauthorized update, insert or delete access to some Helidon accessible data. CVSS 8.5.
Risk Assessment
High risk of confidentiality and integrity breach, with potential impact on other systems.
Recommendation
Apply patches for version 3.2.18 and monitor access to the HTTP service.
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 3.2.18. Easily exploitable vulnerability allows low privileged 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 access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).