CVE-2026-101580: Infoleak
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).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported versions are 4.0.0 through 4.5.5 and version 27.0.0 of the helidon-security-providers-jwt component in Oracle Helidon.
Does exploitation require authentication or user interaction?
No. An unauthenticated attacker with network access over HTTP can exploit the issue, with low attack complexity and no user interaction required.
What is the likely impact of successful exploitation?
Successful exploitation can provide unauthorized read access to a subset of Helidon-accessible data. The scope-change rating indicates attacks may also significantly affect additional products.