Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.1. 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).

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 20 Aug 2026 03:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Denial-of-Service in Oracle Helidon 4.5.1

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

Type Values Removed Values Added
Title Unauthenticated Denial-of-Service in Oracle Helidon 4.5.1
Weaknesses CWE-400

Wed, 19 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Denial of Service in Oracle Helidon 4.5.1

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'}


Wed, 19 Aug 2026 07:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Denial of Service in Oracle Helidon 4.5.1
Weaknesses CWE-400

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 4.5.1. 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:4.5.1:*:*:*:*:*:*:*
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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-08-19T14:40:15.782Z

Reserved: 2026-08-13T18:41:45.891Z

Link: CVE-2026-73936

cve-icon Vulnrichment

Updated: 2026-08-19T13:59:32.573Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-18T21:18:26.680

Modified: 2026-08-20T13:08:14.613

Link: CVE-2026-73936

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T02:45:04Z

Weaknesses