Denial of Service Vulnerability in Oracle Fusion Middleware's Helidon Product
CVE-2026-73927

7.5HIGH

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73927?

A vulnerability exists in Oracle Fusion Middleware's Helidon component, particularly in version 3.2.20. This easily exploitable issue enables unauthenticated attackers with network access via HTTP to compromise Helidon, leading to potential disruptions in service. An attacker can initiate a denial of service by causing the application to hang or crash repeatedly, significantly affecting its availability. Organizations using the affected version should apply recommended mitigations to prevent exploitation.

Affected Version(s)

Helidon 3.2.20

References

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

.