Vulnerability in Imperative Web Server of Oracle Fusion Middleware
CVE-2026-73937

8.2HIGH

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73937?

An unauthenticated network-accessible vulnerability exists in the Imperative Web Server component of Oracle's Helidon framework. This issue, present in version 4.5.0, allows malicious actors to exploit the vulnerability via HTTP/2 requests, potentially leading to a complete denial of service by causing frequent crashes or unresponsiveness. Additionally, unauthorized users may gain access to certain data sets within Helidon, compromising confidentiality and availability.

Affected Version(s)

Helidon 4.5.0

References

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

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.