---
id: "CVE-2026-91588"
kind: "vulnerability"
aliases: ["CVE-2026-91588"]
title: "Oracle BI Enterprise Edition: BI Search flaw lets unauthenticated attackers change data"
severity: "medium"
cvss: 6.5
epss: 0.00302
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-analytics", "oracle-bi-ee", "self-hosted", "vendor"]
not_affected_if: ["unaffected-version"]
published_at: "2026-10-20T22:21:00+00:00"
first_seen_at: "2026-10-23T21:57:27+00:00"
updated_at: "2026-10-25T12:38:51+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91588", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91588", "first_seen_at": "2026-10-25T12:38:51+00:00"}]
---

# Oracle BI Enterprise Edition: BI Search flaw lets unauthenticated attackers change data

Oracle Business Intelligence Enterprise Edition's BI Search component has a flaw that an unauthenticated attacker can reach over HTTP. With a user's interaction, the attacker can create, delete or modify data the BI system can access.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Oracle Business Intelligence Enterprise Edition version against the affected versions `8.2.0.0.0` and `12.2.1.4.0`
- Confirm whether the BI Search component is in use: unknown

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle Business Intelligence Enterprise Edition; the specific patched version is unknown from the sources

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91588
- 2026-10-25T12:38:51+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91588

## From the sources

Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: BI Search).  Supported versions that are affected are 8.2.0.0.0 and  12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Business Intelligence Enterprise Edition accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N).

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_