VDB
CVE-2026-83458
CVE-2026-83458
PUBLISHED
CVSS 5.3 MEDIUM
Reported by oracle · Published September 15, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: JSON). Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
EPSS 0.40% · 34.0th percentile
Risk Scores
CVSS 3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.40%
34.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Helidon | 4.0.0 |
| oracle | helidon | 4.0.0 |
| Oracle Corporation | Helidon | 4.0.0 |
Timeline
- Sep 15, 2026 CVE Published
- Sep 16, 2026 EPSS Score
- Sep 16, 2026 Coalition ESS Score
References
- Oracle Advisory vendor-advisory