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CVE-2026-91644

9.3 critical SSVC exploitation: none Modified
NVD · CVE.org

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 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 access to critical data or complete access to all Oracle Essbase accessible data as well as unauthorized update, insert or delete access to some of Oracle Essbase accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 7

  1. CwesCWE-284NVD modified 2026-10-27 13:17
  2. StatusAnalyzed → ModifiedNVD modified 2026-10-27 13:17
  3. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-23 14:58
  4. StatusAwaiting Analysis → AnalyzedNVD modified 2026-10-23 14:58
  5. StatusPublished → Awaiting AnalysisNVD modified 2026-10-21 18:44
  6. StatusReceived → PublishedNVD modified 2026-10-20 21:26
  7. First seenCVSS 9.3NVD modified 2026-10-20 22:21

Affected (CPE criteria) 1

  • cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*

References 1