CVE-2026-71154

MEDIUM 6.1

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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 low privileged attacker with logon to the infrastructure where Helidon executes to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).

Vendor	oracle corporation
Product	helidon
Published	Aug 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

Oracle Corporation / Helidon

4.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

oracle.com: https://www.oracle.com/security-alerts/cspuaug2026.html