CVE-2026-71166
published 2026-08-18CVE-2026-71166: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17…
PriorityP261critical9.4CVSS 3.1
AVNACLPRNUINSUCHIHAL
EPSS
0.42%
35.4th percentile
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 9.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L).
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| oracle | helidon | — | — |
| oracle_corporation | helidon | 3.0.0 – 3.2.17 | — |
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VulDB
Oracle Helidon 3.2.18 Imperative Web Server privileges management
vuldb·2026-08-19·CVSS 9.4
CVE-2026-71166 [CRITICAL] Oracle Helidon 3.2.18 Imperative Web Server privileges management
A vulnerability has been found in Oracle Helidon 3.2.18 and classified as critical. Impacted is an unknown function of the component Imperative Web Server. This manipulation causes improper privilege management.
This vulnerability appears as CVE-2026-71166. The attack may be initiated remotely. There is no available exploit.
GHSA
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).
ghsa_unreviewed·2026-08-18
CVE-2026-71166 [CRITICAL] CWE-284 Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.18. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 9.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-18
Published