Live › vulnerability › CVE-2026-91665
Go to dashboardOracle Essbase 21.8.3.0.0 has a Security-component flaw that an unauthenticated attacker can reach over TCP and use to take over the server (CVSS 3.1 9.8). Oracle fixed it in the October 2026 CPU, one of 38 Essbase fixes in that release. No exploitation or PoC reported.
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.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| oracle essbase | vendor | = 21.8.3.0.0 | – |
| essbase | vendor | 21.8.3.0.0 | – |
21.8.3.0.0 is the affected versionEach 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. Easily exploitable 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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