Live › vulnerability › CVE-2026-91647
Go to dashboardOracle Essbase 21.8.3.0.0 has a Security component flaw that an unauthenticated attacker can reach over TCP. Successful exploitation can lead to full takeover of the Essbase server, with high confidentiality, integrity and availability impact.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Teams running Oracle Essbase version 21.8.3.0.0 that expose its TCP service to a network an attacker can reach. The sources do not describe a non-default configuration, so deployments with network reachability should be treated as exposed. Installations not running this version, or with Essbase isolated from untrusted networks, are less exposed.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| oracle essbase | vendor | = 21.8.3.0.0 | – |
21.8.3.0.0Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in takeover of Oracle Essbase. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
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