CVE-2026-101590
CriticalCVSS 9.1Summary
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security) affecting versions 4.0.0-4.5.5. An unauthenticated attacker with network access via HTTP can easily exploit it to gain unauthorized creation, deletion, or modification access to critical data.
Risk Assessment
A CVSS 9.1 score indicates serious risk of confidentiality and integrity breaches. The attack requires no authentication and can be performed remotely.
Recommendation
Promptly install Oracle updates for Oracle Fusion Middleware (Helidon). Restrict network access to the service and review logs for unauthorized changes.
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Original NVD description (English source)
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security). Supported versions that are affected are 4.0.0-4.5.5. 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).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS