Unauthenticated WebSocket Endpoint Exposes Data and Causes Partial DoS in Oracle Helidon
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oracle Corporation | Helidon | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oracle | Helidon |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.271% probability within 30 days)
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
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| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated WebSocket Endpoint Exposes Data and Causes Partial DoS in Oracle Helidon |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP Access Enables Partial Data Exfiltration and Denial of Service in Oracle Helidon | |
| Weaknesses | CWE-200 CWE-269 CWE-770 |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP Access Enables Partial Data Exfiltration and Denial of Service in Oracle Helidon | |
| Weaknesses | CWE-200 CWE-269 CWE-770 |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-websocket). 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 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 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:*:*:*:*:*:*:* |
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| Vendors & Products |
Oracle
Oracle helidon |
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| References |
| |
| Metrics |
cvssV3_1
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