Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.20. 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 hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspuaug2026.html |
|
History
Thu, 20 Aug 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon Web Server Improper Access Control Allows Remote Denial of Service |
Thu, 20 Aug 2026 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon Web Server 3.2.20 Unauthenticated HTTP Denial-of-Service Vulnerability |
Wed, 19 Aug 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Helidon Web Server 3.2.20 Unauthenticated HTTP Denial-of-Service Vulnerability |
Wed, 19 Aug 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP Request Causes Denial of Service in Helidon Web Server | |
| Weaknesses | CWE-749 CWE-770 |
Wed, 19 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 | |
| Metrics |
ssvc
|
Wed, 19 Aug 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP Request Causes Denial of Service in Helidon Web Server | |
| Weaknesses | CWE-749 CWE-770 |
Tue, 18 Aug 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.20. 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 hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). | |
| First Time appeared |
Oracle
Oracle helidon |
|
| CPEs | cpe:2.3:a:oracle:helidon:3.2.20:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle helidon |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-08-18T21:04:12.045Z
Updated: 2026-08-19T14:40:39.878Z
Reserved: 2026-08-13T18:41:45.890Z
Link: CVE-2026-73927
Updated: 2026-08-19T13:59:42.686Z
Status : Analyzed
Published: 2026-08-18T21:18:25.663
Modified: 2026-08-21T13:36:35.860
Link: CVE-2026-73927
No data.