Unauthenticated Access Vulnerability in Oracle Essbase Java Agent
CVE-2026-91643

5.3MEDIUM

Key Information:

Vendor

Oracle
Status
Oracle Essbase
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91643?

A vulnerability exists in the Java Based Agent component of Oracle Essbase, allowing an unauthenticated attacker with network capabilities via HTTP to gain unauthorized read access to sensitive data within the application. This security weakness primarily affects the 21.8.3.0.0 version of Oracle Essbase, highlighting the importance of securing against unauthenticated access and monitoring network activity to prevent potential data breaches.

Affected Version(s)

Oracle Essbase 21.8.3.0.0

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
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

.