Live › vulnerability › CVE-2026-91646
Go to dashboardOracle Essbase 21.8.3.0.0 has a Security component flaw reachable over the network through the T3 and IIOP protocols. An unauthenticated attacker who can meet the hard-to-exploit conditions can read or change a subset of Essbase data and partially disrupt the service.
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 21.8.3.0.0 where the T3 or IIOP interfaces are reachable over the network. The sources do not say which deployments are exposed beyond this, so exposure depends on whether those protocols are reachable from untrusted networks.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| oracle essbase | vendor | = 21.8.3.0.0 | – |
21.8.3.0.0 (unknown how to read it from the sources)Each 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 T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Essbase accessible data as well as unauthorized read access to a subset of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).
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NVD data is provided by NIST and is public domain · EPSS scores by FIRST, used with attribution. Posts quoted belong to their authors.