Unauthorized Access Vulnerability in Helidon of Oracle Fusion Middleware
CVE-2026-73912

9.8CRITICAL

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73912?

In Helidon, a component of Oracle Fusion Middleware, a vulnerability exists that allows unauthenticated attackers with network access via HTTP to compromise the system. With just minimal effort, these attackers can execute successful exploits to take control over Helidon, leading to significant risks to confidentiality, integrity, and availability of the affected environment. Users of Helidon version 4.5.0 are particularly at risk, emphasizing the importance of immediate remediation and security monitoring.

Affected Version(s)

Helidon 4.0.0 <= 4.4.1

References

https://www.oracle.com/security-alerts/cspuaug2026.html
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.