Unauthenticated Data Manipulation Vulnerability in Oracle's Helidon Web Server
CVE-2026-73924

9.1CRITICAL

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73924?

The Helidon product from Oracle Fusion Middleware has a significant vulnerability within its Imperative Web Server component. This flaw, present in version 1.4.19, permits unauthorized network access via HTTP, allowing an unauthenticated attacker to manipulate critical data. Should the exploit be successfully executed, it could lead to unauthorized creation, deletion, or alteration of data accessible through Helidon. This vulnerability jeopardizes the integrity and confidentiality of all data, posing significant risks to organizations utilizing this web server solution.

Affected Version(s)

Helidon 1.4.19

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

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