CVE-2026-101569: Medium severity Oracle Helidon vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-common-concurrency-limits). 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 update, insert or delete access to some 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 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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, specifically in the helidon-common-concurrency-limits component.
Does exploitation require authentication or user interaction?
No. An unauthenticated attacker with network access over HTTP can exploit the issue, and no user interaction is required.
What impact can successful exploitation have?
An attacker may gain unauthorized update, insert, or delete access to some Helidon-accessible data. Successful exploitation can also cause a partial denial of service.