CVE-2026-73896
Reported by oracle · Published August 18, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in 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 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Helidon | 4.5.0 |
| oracle | helidon | |
| Oracle Corporation | Helidon | 4.5.0, 4.5.0 |
Timeline
- Aug 18, 2026 CVE Published
- Aug 19, 2026 Coalition ESS Score
- Aug 20, 2026 CVE Updated
References
- Oracle Advisory vendor-advisory