CVE-2026-73925: High severity Oracle Helidon vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Helidon (Oracle Fusion Middleware) - Imperative Web Serverto a version that resolves this vulnerability.Fixed in 1.4.18
Event History
Frequently Asked Questions
Which deployments are exposed to this issue?
Oracle Helidon deployments using the Imperative Web Server component on supported version 1.4.19 are affected. An attacker needs network access to the service over HTTP.
Does exploitation require credentials or user interaction?
No. The vulnerability is described as easily exploitable by an unauthenticated attacker, and the CVSS vector indicates no privileges or user interaction are required.
What could a successful attacker do?
A successful attack could allow unauthorized creation, deletion, or modification of critical data or all Helidon-accessible data. It could also allow unauthorized reading of a subset of Helidon-accessible data.