CVE-2026-73885: High severity Oracle Helidon 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. 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. CVSS 3.1 Base Score 7.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments should be prioritized for remediation?
Prioritize Helidon Imperative Web Server deployments running the supported affected version 3.2.18, especially where the service is reachable over HTTP from untrusted networks.
Does exploitation require credentials or user interaction?
No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access via HTTP, with no user interaction required.
What could a successful attacker do?
An attacker could obtain unauthorized read access to a subset of Helidon-accessible data and unauthorized update, insert, or delete access to some accessible data. The scope change indicates that attacks may also significantly affect additional products.