CVE-2026-83488: Medium severity Oracle Helidon (helidon-microprofile-security) vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security). Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows low privileged 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 as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
helidon-microprofile-security (Helidon, Oracle Fusion Middleware)to a version that resolves this vulnerability.Fixed in 4.5.4
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker needs low-privileged access and network reachability to the affected Helidon service over HTTP. No user interaction is required.
Which deployments are affected?
The affected component is helidon-microprofile-security in supported Oracle Helidon versions 4.0.0 through 4.5.4.
What could an attacker do after exploitation?
An attacker may gain unauthorized read access to a subset of Helidon-accessible data and unauthorized ability to update, insert, or delete some Helidon-accessible data.