---
id: "CVE-2026-91546"
kind: "vulnerability"
aliases: ["CVE-2026-91546"]
title: "Oracle Business Intelligence: unauthenticated HTTP flaw allows full takeover"
severity: "high"
cvss: 8.1
epss: 0.00294
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise", "oracle-analytics", "oracle-bi", "self-hosted", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:20:57+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-2026-91546", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91546", "first_seen_at": "2026-10-25T12:38:51+00:00"}]
---

# Oracle Business Intelligence: unauthenticated HTTP flaw allows full takeover

Oracle Business Intelligence Enterprise Edition 12.2.1.4.0 has a flaw in its BI Foundation component. A remote, unauthenticated attacker over HTTP can exploit it, which can lead to takeover of the BI server.

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

## How to check

- Confirm the installed BI Enterprise Edition version is `12.2.1.4.0` (unknown from the sources how to read it on a given install)
- Check whether the BI server's HTTP endpoints are reachable from untrusted networks (unknown from the sources which paths are involved)

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle Business Intelligence Enterprise Edition 12.2.1.4.0 (unknown from the sources which patch number)
- Restrict network access to the BI server until patched (unknown from the sources which controls are sufficient)

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91546
- 2026-10-25T12:38:51+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91546

## From the sources

Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: BI Foundation).   The supported version that is affected is 12.2.1.4.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition.  Successful attacks of this vulnerability can result in takeover of Oracle Business Intelligence Enterprise Edition. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

---

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