Denial of Service Vulnerability in Oracle Fusion Middleware Helidon
CVE-2026-83281

7.5HIGH

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
15 September 2026

What is CVE-2026-83281?

A vulnerability exists in Oracle Fusion Middleware's Helidon, which allows unauthenticated attackers to initiate network requests that can lead to a denial of service condition. Specifically, an attacker can exploit this flaw to induce a hang or trigger frequent crashes of the Helidon server. The issue affects versions from 4.0.0 to 4.5.4 and poses a significant risk as it can disrupt service availability. For more information, refer to the Oracle advisory.

Affected Version(s)

Helidon 4.0.0 <= 4.5.4

References

https://www.oracle.com/security-alerts/cspusep2026.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.