Live › vulnerability › CVE-2026-91640
Go to dashboardOracle Essbase has a flaw in its Security component that lets a low-privileged user reach data over HTTP. The attacker gets unauthorized read access to a subset of the data Essbase holds, and CVSS notes the scope change could affect other products.
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 accept HTTP access from users with low-privilege accounts are exposed. Installations that do not run this version, or that restrict access to trusted administrators, have less exposure. Whether the sources list an exact fixed build is unknown.
| 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. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase. While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).
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