Vulnerability in Oracle Corporation Helidon

CVE-2026-73899

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.19. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2026-73899?
CVE-2026-73899 is a medium-severity vulnerability in Oracle Corporation Helidon. CVSS score: 5.3/10. Published 2026-08-18.
How severe is CVE-2026-73899?
Medium severity. CVSS v3 base score is 5.3 out of 10.