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).
Published: 2026-08-18
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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

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


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

{'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:

Updated: 2026-08-19T14:40:39.878Z

Reserved: 2026-08-13T18:41:45.890Z

Link: CVE-2026-73927

cve-icon Vulnrichment

Updated: 2026-08-19T13:59:42.686Z

cve-icon NVD

Status : Received

Published: 2026-08-18T21:18:25.663

Modified: 2026-08-19T15:18:06.283

Link: CVE-2026-73927

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T03:15:03Z

Weaknesses