Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket). 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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html |
|
History
Sun, 20 Sep 2026 07:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon WebSocket Unauthenticated Endpoint Causes Resource Exhaustion Denial of Service |
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| Metrics |
ssvc
|
Fri, 18 Sep 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon WebSocket Component Allows Unauthenticated HTTP Clients to Trigger Partial Denial of Service | |
| Weaknesses | CWE-290 |
Wed, 16 Sep 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon WebSocket Component Allows Unauthenticated HTTP Clients to Trigger Partial Denial of Service | |
| Weaknesses | CWE-290 |
Tue, 15 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket). 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). | |
| First Time appeared |
Oracle
Oracle helidon |
|
| CPEs | cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle helidon |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-09-15T20:05:45.414Z
Updated: 2026-09-18T16:13:57.381Z
Reserved: 2026-08-31T15:40:57.361Z
Link: CVE-2026-83480
Updated: 2026-09-18T16:11:48.140Z
Status : Analyzed
Published: 2026-09-15T20:18:55.697
Modified: 2026-09-25T19:27:37.587
Link: CVE-2026-83480
No data.