Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.18. 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

Fri, 28 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Title Helidon Imperative Web Server Denial of Service via Unauthenticated HTTP Requests

Fri, 28 Aug 2026 19:45:00 +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 3.2.19. 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). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.18. 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).
CPEs cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*

Thu, 20 Aug 2026 14:15:00 +0000

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

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

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

Wed, 19 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Title Helidon Imperative Web Server Unauthenticated Denial of Service
Weaknesses CWE-400
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 07:15:00 +0000

Type Values Removed Values Added
Title Helidon Imperative Web Server Unauthenticated Denial of Service
Weaknesses CWE-400
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 3.2.19. 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:3.2.19:*:*:*:*:*:*:*
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: 2026-08-28T16:55:28.607Z

Reserved: 2026-08-13T18:41:45.886Z

Link: CVE-2026-73902

cve-icon Vulnrichment

Updated: 2026-08-19T14:24:13.498Z

cve-icon NVD

Status : Modified

Published: 2026-08-18T21:18:22.883

Modified: 2026-08-28T20:19:49.620

Link: CVE-2026-73902

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T22:00:15Z

Weaknesses