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/2 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 03:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP/2 Denial of Service in Helidon Web Server

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

Type Values Removed Values Added
Title Unauthenticated HTTP/2 Denial of Service in Helidon Web Server

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

Type Values Removed Values Added
Title Unauthenticated HTTP/2 Denial of Service in Oracle Helidon 3.2.19
Weaknesses CWE-400
CWE-779

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/2 Denial of Service in Oracle Helidon 3.2.19
Weaknesses CWE-400
CWE-779

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/2 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: 2026-08-19T14:40:26.719Z

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

Link: CVE-2026-73934

cve-icon Vulnrichment

Updated: 2026-08-19T13:59:37.888Z

cve-icon NVD

Status : Received

Published: 2026-08-18T21:18:26.453

Modified: 2026-08-19T15:18:06.507

Link: CVE-2026-73934

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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