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 creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 20 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Access Control Vulnerability in Oracle Helidon 4.5.0

Thu, 20 Aug 2026 07:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Access Control Exploitation in Oracle Helidon Imperative Web Server

Wed, 19 Aug 2026 22:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Access Control Exploitation in Oracle Helidon Imperative Web Server

Wed, 19 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Title Helidon Unauthenticated Remote Data Access via Access Control Flaw

Wed, 19 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 19 Aug 2026 08:00:00 +0000

Type Values Removed Values Added
Title Helidon Unauthenticated Remote Data Access via Access Control Flaw
Weaknesses CWE-284

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 creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-08-19T14:43:26.195Z

Reserved: 2026-08-13T18:41:45.881Z

Link: CVE-2026-73866

cve-icon Vulnrichment

Updated: 2026-08-19T14:27:27.077Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-18T21:18:18.763

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

Link: CVE-2026-73866

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T19:15:04Z

Weaknesses