---
id: "CVE-2026-91342"
kind: "vulnerability"
aliases: ["CVE-2026-91342"]
title: "Oracle Outside In Clean Content SDK: unauthenticated HTTP flaw allows data changes"
severity: "high"
cvss: 8.2
epss: 0.0028
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["fusion-middleware", "oracle", "outside-in", "self-hosted", "vendor"]
not_affected_if: ["not-using-outside-in"]
published_at: "2026-10-20T22:20:36+00:00"
first_seen_at: "2026-10-23T21:57:26+00:00"
updated_at: "2026-10-25T12:38:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91342", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91342", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle Outside In Clean Content SDK: unauthenticated HTTP flaw allows data changes

Oracle Outside In Technology's Clean Content SDK, version 8.5.8, has a flaw that an unauthenticated network attacker can reach over HTTP. A successful attack can create, change or delete critical data and read a subset of data, and it needs a person other than the attacker to interact.

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

## How to check

- unknown

## Fix

- unknown

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91342
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91342

## From the sources

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK).   The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Outside In Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Outside In Technology accessible data as well as  unauthorized read access to a subset of Oracle Outside In Technology accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/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_