CVE-2026-73867: Medium severity Oracle Helidon (Oracle Fusion Middleware) - Imperative Web Server vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. 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. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An unauthenticated attacker with network access to the affected Helidon Imperative Web Server over HTTP can exploit it. No user interaction or prior privileges are required.
Which deployment is known to be affected?
The affected supported version identified is Helidon 3.2.18 in Oracle Fusion Middleware's Imperative Web Server component.
What is the likely impact of successful exploitation?
An attacker may gain unauthorized read access to a subset of Helidon-accessible data and unauthorized ability to update, insert, or delete some Helidon-accessible data. The stated impacts affect confidentiality and integrity, not availability.