CVE-2026-101583: High severity Oracle Helidon vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-common-mapper). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Difficult to exploit 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 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 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported versions are 4.0.0 through 4.5.5 and 27.0.0 of Oracle Helidon, specifically the helidon-common-mapper component.
Does exploitation require an account or user interaction?
No. An unauthenticated attacker with network access over HTTP can attempt exploitation, and no user interaction is required. The vulnerability is described as difficult to exploit.
What impact could a successful attack have?
A successful attack may allow creation, deletion, or modification of critical data or all Helidon-accessible data; reading a subset of accessible data; and causing partial denial of service.