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 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).
History

Thu, 20 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
Title Oracle Helidon 4.5.0 HTTP Request Handling Denial of Service

Thu, 20 Aug 2026 04:30:00 +0000

Type Values Removed Values Added
Title Helidon 4.5.0 HTTP Request Handling Vulnerability Causing Denial of Service

Wed, 19 Aug 2026 19:15:00 +0000

Type Values Removed Values Added
Title Helidon 4.5.0 HTTP Request Handling Vulnerability Causing Denial of Service

Wed, 19 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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 4.5.0. 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:4.5.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle helidon
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-08-18T21:04:08.442Z

Updated: 2026-08-19T14:41:52.134Z

Reserved: 2026-08-13T18:41:45.888Z

Link: CVE-2026-73915

cve-icon Vulnrichment

Updated: 2026-08-19T13:59:46.625Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-18T21:18:24.370

Modified: 2026-08-21T13:34:46.363

Link: CVE-2026-73915

cve-icon Redhat

No data.