Vulnerability in Oracle Corporation Helidon
CVE-2026-73906
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. 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
- Oracle Corporation Helidon — versions 4.5.0
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-73906?
- CVE-2026-73906 is a medium-severity vulnerability in Oracle Corporation Helidon, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-08-18.
- How severe is CVE-2026-73906?
- Medium severity. CVSS v3 base score is 5.3 out of 10.