CVE-2026-101580 Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-jwt)

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-jwt). 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. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).

Exploitable remotely over the network, without an account and without any user action; the impact on data or service is limited.

Attack vector

Network

Attack complexity

Low

Privileges required

None

Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Affected products and versions