---
id: "CVE-2026-91457"
kind: "vulnerability"
aliases: ["CVE-2026-91457"]
title: "Oracle Outside In: Image Export SDK flaw lets local attacker take over"
severity: "high"
cvss: 7.8
epss: 0.00159
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["fusion-middleware", "oracle", "outside-in", "package", "self-hosted"]
not_affected_if: ["internet-only-no-local-logon", "no-outside-in-sdk"]
published_at: "2026-10-20T22:20:49+00:00"
first_seen_at: "2026-10-23T21:57:27+00:00"
updated_at: "2026-10-25T12:38:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91457", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91457", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle Outside In: Image Export SDK flaw lets local attacker take over

Oracle Outside In Technology's Image Export SDK, version 8.5.8, has a flaw that lets an attacker with local logon to the host take over the component. Exploitation needs a person other than the attacker to take an action, such as opening a crafted file.

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

## How to check

- Check the installed Outside In Technology version against `8.5.8` in the Oracle Fusion Middleware inventory
- unknown

## Fix

- Apply the Oracle Critical Patch Update that addresses CVE-2026-91457 for Outside In Technology
- unknown

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91457
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91457

## From the sources

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Image Export SDK).   The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Outside In Technology executes to compromise Oracle Outside In Technology.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

---

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