Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
4.3

Oracle Essbase 21.8.3 allows low‑privilege read access

CVE-2026-91657 · published 15 days ago
Summary

Version 21.8.3.0.0 of Oracle Essbase can be accessed over HTTP by a user with limited rights, who could then view some of the system's data. This exposure is possible without needing special credentials. Apply the vendor's security update and limit network exposure to trusted hosts.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation oracle essbase 21.8.3.0.0
oracle essbase 21.8.3.0.0
cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*
Original advisory text
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 vi...
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. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-200Information Exposure
Timeline
Published20 Oct 2026
Updated29 Oct 2026
First seen20 Oct 2026
Sources
CVE-2026-91657 · NVD
CVE-2026-91657 · MITRE
Track software like this
Free during beta