Unauthorized Data Access Vulnerability in Helidon Component of Oracle Fusion Middleware
CVE-2026-101569

6.5MEDIUM

Key Information:

Vendor

Oracle
Status
Helidon
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101569?

A vulnerability exists in the Helidon component of Oracle Fusion Middleware that allows an unauthenticated attacker with network access through HTTP to compromise the system. Exploiting this flaw can lead to unauthorized updates, inserts, or deletions of accessible data within Helidon. Additionally, the vulnerability introduces the risk of a partial denial of service, impacting the availability of the service. The supported versions affected range from 4.0.0 to 4.5.5 and 27.0.0, as detailed in Oracle's security advisory.

Affected Version(s)

Helidon 4.0.0 <= 4.5.5

Helidon 27.0.0

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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