Denial of Service Vulnerability in Oracle Fusion Middleware Helidon
CVE-2026-73915

7.5HIGH

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73915?

A vulnerability exists in Oracle's Helidon product within the Fusion Middleware suite, specifically affecting version 4.5.0. This issue can be leveraged by an unauthenticated attacker who gains network access through HTTP. Exploitation of this vulnerability can lead to a state where the Helidon server becomes unresponsive or crashes repeatedly, resulting in a Denial of Service condition for users. Immediate action is advised to mitigate the risk associated with this vulnerability.

Affected Version(s)

Helidon 4.5.0

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

.