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 update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
History

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

Type Values Removed Values Added
Title Helidon 4.5.0 HTTP Access Control Weakness Allows Unauthorized Data Modification

Thu, 20 Aug 2026 04:45:00 +0000

Type Values Removed Values Added
Title Helidon 4.5.0 HTTP Access Control Weakness Allows Unauthorized Data Modification

Wed, 19 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Vulnerability in Oracle Helidon 4.5.0 Allowing Unauthorized Data Modification and Partial Denial of Service
Weaknesses CWE-639

Wed, 19 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 19 Aug 2026 06:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Vulnerability in Oracle Helidon 4.5.0 Allowing Unauthorized Data Modification and Partial Denial of Service
Weaknesses CWE-284
CWE-639

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 update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
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': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-08-18T21:04:00.647Z

Updated: 2026-08-19T12:55:05.823Z

Reserved: 2026-08-13T18:41:45.884Z

Link: CVE-2026-73891

cve-icon Vulnrichment

Updated: 2026-08-19T12:08:21.748Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-18T21:18:21.650

Modified: 2026-08-24T16:35:50.933

Link: CVE-2026-73891

cve-icon Redhat

No data.