---
id: "CVE-2026-91345"
kind: "vulnerability"
aliases: ["CVE-2026-91345"]
title: "Oracle Outside In Clean Content SDK: unauthenticated network crash denies service"
severity: "high"
cvss: 7.5
epss: 0.00441
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["java", "oracle", "outside-in", "package", "self-hosted"]
not_affected_if: ["sdk-not-used"]
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-2026-91345", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91345", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle Outside In Clean Content SDK: unauthenticated network crash denies service

The Oracle Outside In Clean Content SDK, version 8.5.8, can be made to hang or repeatedly crash over HTTP by an unauthenticated remote attacker. The flaw affects availability only, so the attacker gets denial of service, not code execution or data access.

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

## How to check

- Check whether the Oracle Outside In Clean Content SDK is in use and at which version; the sources do not give a command or file path to confirm it.
- unknown

## Fix

- Move to a patched Oracle Outside In release per Oracle's Critical Patch Update advisory; the sources do not name the fixed version.

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91345
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91345

## 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 of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

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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_