CVE-2026-101579: Infoleak
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-grpc-server). Supported versions that are affected are 3.0.0-3.2.21. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 7.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are exposed to this issue?
Oracle Helidon deployments using the helidon-grpc-server component in supported versions 3.0.0 through 3.2.21 are affected. Exposure requires that an attacker can reach the service over HTTP/2.
Does exploitation require authentication or user interaction?
No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access, and it requires no user interaction.
What could a successful attacker do?
A successful attack can provide unauthorized read access to a subset of Helidon-accessible data and unauthorized update, insert, or delete access to some Helidon-accessible data. The impact may extend to additional products because the vulnerability has scope change.