---
id: "CVE-2026-91608"
kind: "vulnerability"
aliases: ["CVE-2026-91608"]
title: "Oracle BI Publisher: unauthenticated HTTP flaw exposes all accessible data"
severity: "high"
cvss: 7.5
epss: 0.00416
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-analytics", "oracle-bi-publisher", "self-hosted", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:21:01+00:00"
first_seen_at: "2026-10-23T21:57:27+00:00"
updated_at: "2026-10-25T03:17:09+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91608", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91608", "first_seen_at": "2026-10-24T13:15:55+00:00"}]
---

# Oracle BI Publisher: unauthenticated HTTP flaw exposes all accessible data

Oracle BI Publisher's web server has a flaw that lets an unauthenticated attacker reach the product over HTTP. A successful attack gives unauthorized read access to critical data and everything BI Publisher can access.

_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` and `26.01.0.0.0`
- Confirm whether BI Publisher is reachable from untrusted networks over HTTP

## Fix

- Apply the Oracle Critical Patch Update fix for BI Publisher, moving off `8.2.0.0.0`, `12.2.1.4.0` or `26.01.0.0.0`
- Restrict network access to BI Publisher until patched

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91608
- 2026-10-24T13:15:55+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91608

## From the sources

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: Web Server).  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 unauthenticated 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 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/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_