---
id: "CVE-2026-91574"
kind: "vulnerability"
aliases: ["CVE-2026-91574"]
title: "Oracle BI Publisher: low-privilege HTTP attacker can read critical data"
severity: "medium"
cvss: 6.5
epss: 0.00355
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-analytics", "oracle-bi-publisher", "self-hosted", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:20:59+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-2026-91574", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91574", "first_seen_at": "2026-10-25T12:38:51+00:00"}]
---

# Oracle BI Publisher: low-privilege HTTP attacker can read critical data

Oracle BI Publisher, part of Oracle Analytics, has a security flaw in its BI Publisher Security component that affects versions 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. An attacker with a low-privilege account and network access over HTTP can gain unauthorized access to critical data the product can reach.

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

## How to check

- Check the installed BI Publisher version against the affected list: `8.2.0.0.0`, `12.2.1.4.0`, `26.01.0.0.0`
- unknown for other checks; the sources do not say how to confirm exposure beyond version

## Fix

- Apply the Oracle Critical Patch Update fix for BI Publisher; the sources do not name the patched version or patch number
- unknown for configuration changes

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91574
- 2026-10-25T12:38:51+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91574

## From the sources

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: BI Publisher Security).  Supported versions that are affected are 8.2.0.0.0, 12.2.1.4.0 and  26.01.0.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle BI Publisher.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

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