Vulnerability in Oracle Corporation Helidon

CVE-2026-73878

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2026-73878?
CVE-2026-73878 is a high-severity vulnerability in Oracle Corporation Helidon. CVSS score: 7.5/10. Published 2026-08-18.
How severe is CVE-2026-73878?
High severity. CVSS v3 base score is 7.5 out of 10.