Unauthorized Data Manipulation in Helidon Web Server by Oracle
CVE-2026-73916

9.1CRITICAL

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73916?

A notable vulnerability exists in Oracle's Helidon product, specifically within the Imperative Web Server component. This flaw allows unauthenticated attackers with network access via HTTP to exploit the system. Attackers can manipulate critical data, leading to unauthorized creation, deletion, or modification of data accessible by Helidon. This vulnerability poses serious risks to data integrity and confidentiality, impacting the overall security posture of affected systems.

Affected Version(s)

Helidon 3.2.18

References

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

CVSS V3.1

Score:
9.1
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

.