Java Based Agent Vulnerability in Oracle Essbase
CVE-2026-91649

6MEDIUM

Key Information:

Vendor

Oracle
Status
Oracle Essbase
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91649?

A vulnerability has been identified in Oracle Essbase's Java Based Agent, which affects version 21.8.3.0.0. This flaw allows high-privileged attackers with access to the infrastructure running Oracle Essbase to exploit the vulnerability, resulting in unauthorized access to sensitive data. This breach can lead to the compromise of all data accessible through Oracle Essbase. Additional products may also be impacted due to the vulnerability's scope, increasing the risk of data exposure and potential misuse.

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:
6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.