---
id: "CVE-2026-91248"
kind: "vulnerability"
aliases: ["CVE-2026-91248"]
title: "Oracle WebCenter Portal: unauthenticated HTTP request reads a subset of data"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-fusion-middleware", "oracle-webcenter-portal", "self-hosted", "vendor"]
not_affected_if: ["default-config"]
published_at: "2026-10-20T22:20:25+00:00"
first_seen_at: "2026-10-23T21:57:26+00:00"
updated_at: "2026-10-25T04:22:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91248", "first_seen_at": "2026-10-23T21:57:26+00:00"}]
---

# Oracle WebCenter Portal: unauthenticated HTTP request reads a subset of data

Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 contain a flaw in the Runtime Tools component. An unauthenticated attacker with network access over HTTP can read a subset of the data the portal exposes.

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

## How to check

- Check the installed WebCenter Portal version against `12.2.1.4.0` and `14.1.2.0.0`
- Review the Oracle Critical Patch Update advisory referenced by the NVD entry for the patched build numbers

## Fix

- Apply the Oracle Critical Patch Update that addresses CVE-2026-91248 for your WebCenter Portal release
- Restrict HTTP access to the Runtime Tools endpoints until patched, if the sources and your deployment allow it

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91248

## From the sources

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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_