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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspuaug2026.html |
|
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
|
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
|
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
Updated: 2026-08-19T12:08:21.748Z
Status : Analyzed
Published: 2026-08-18T21:18:21.650
Modified: 2026-08-24T16:35:50.933
Link: CVE-2026-73891
No data.