Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http1). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. 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 partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
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History
Fri, 23 Oct 2026 00:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 21 Oct 2026 05:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Partial Denial of Service via Unauthenticated HTTP Access in Helidon | |
| Weaknesses | CWE-400 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http1). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. 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 partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). | |
| First Time appeared |
Oracle
Oracle helidon |
|
| CPEs | cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:helidon:27.0.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Oracle
Oracle helidon |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:21:43.609Z
Updated: 2026-10-22T18:50:24.185Z
Reserved: 2026-09-28T15:40:09.493Z
Link: CVE-2026-101587
Updated: 2026-10-22T18:43:27.232Z
Status : Deferred
Published: 2026-10-20T22:18:12.150
Modified: 2026-10-22T19:17:34.507
Link: CVE-2026-101587
No data.