Denial of Service Vulnerability in Oracle Fusion Middleware Helidon
CVE-2026-73936

7.5HIGH

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73936?

A vulnerability in Oracle Fusion Middleware's Helidon component allows unauthenticated network attackers to exploit the system via HTTP. This can lead to significant disruptions, such as causing the service to hang or crash repeatedly, resulting in a Denial of Service condition. The supported version affected by this issue is 4.5.1, highlighting the necessity for immediate patching to mitigate potential threats.

Affected Version(s)

Helidon 4.5.1

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

.