CVE-2026-83278
Published:September 15, 2026
Updated:October 08, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-integrations-neo4j). Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Helidon executes to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
Affected Packages
https://github.com/helidon-io/helidon.git (GITHUB):
Affected version(s) >=4.0.0-ALPHA1 <4.5.5Fix Suggestion:
Update to version 4.5.5io.helidon.integrations.neo4j:helidon-integrations-neo4j (JAVA):
Affected version(s) >=4.0.0-ALPHA1 <4.5.5Fix Suggestion:
Update to version 4.5.5Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.6
Attack Vector
ADJACENT
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Access Control
EPSS
Base Score:
0.21