Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessCraft malicious document file
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DeliveryDeliver to target user
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ExploitVictim opens file via Outside In
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ExecutionTrigger memory corruption in parser
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ImpactExecute code and compromise component
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Exploitation Conditions | Exploitation requires a victim with local access to the system (AV:L) to open or process an attacker-supplied crafted file through Oracle Outside In Technology 8.5.8 - the flaw cannot be triggered remotely over a network and demands human interaction from a person other than the attacker (UI:R). The key limiting factors are: the attacker needs no authentication (PR:N) but cannot act alone, so a social-engineering or document-delivery step is mandatory; the vulnerable code only executes when a host application actually feeds untrusted content to the Outside In parser, so systems that do not ingest external documents are not at practical risk. Only version 8.5.8 is stated as affected. |
| Impact | CVSS 3.1 base score is 7.8 (HIGH) with vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, reflecting a local attack vector that requires victim user interaction but no authentication, yielding full confidentiality, integrity and availability loss ('takeover'). This is the classic profile of an Oracle Outside In file-parsing flaw: the attacker cannot reach it remotely over the network - exploitation hinges on a target user opening or processing a crafted file through a product that embeds the Outside In libraries. No EPSS score, CISA KEV listing, or public POC is present in the provided data, so there is no evidence of active exploitation or weaponization; the 7.8 is severity-driven rather than threat-driven. The practical priority is therefore moderate: high technical impact if triggered, but gated by local access and mandatory human interaction, which argues for patch prioritization on systems that routinely ingest untrusted documents rather than emergency remediation. Note the input tag 'Information Disclosure' understates the flaw, which the Oracle description characterizes as full takeover (C:H/I:H/A:H), not merely disclosure - treat the impact as complete compromise. |
| Exploit ScenarioDerived | An attacker crafts a malicious document (e.g. an office, image, or archive file in one of the many formats Outside In parses) and delivers it to a victim via email or a shared location. When the victim opens or the host application auto-processes the file through Oracle Outside In Technology 8.5.8, a parsing defect is triggered, resulting in compromise of the Outside In component in the user's context. No public exploit code is identified at time of analysis, so this scenario is inferred from the CVSS vector (AV:L, UI:R) and the product's known role as a file-conversion/viewing library. |
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Alert meAnalysisAIv1 – Oct 20, 2026
Opening a crafted document through Oracle Outside In Technology 8.5.8 can let an unauthenticated local attacker seize control of the affected runtime, with high impact across confidentiality, integrity and availability (CVSS 3.1 score 7.8). Because the flaw sits in the Outside In Core parsing component, the practical attack path is delivery of a malicious file that a victim then opens or processes on the host - the attacker cannot trigger it remotely and must rely on user interaction. Only version 8.5.8 is listed as affected; no public exploit code or confirmed active exploitation was identified at time of analysis, and the vulnerability is addressed in Oracle's October 2026 Critical Patch Update.
RemediationAI
Apply the fix released in Oracle's October 2026 Critical Patch Update for Outside In Technology, which is the vendor's supported remediation path for the 8.5.8 exposure - see https://www.oracle.com/security-alerts/cpuoct2026.html for the exact patch or updated SDK build identifier, since Oracle CPU advisories map fixes to specific supported versions and no independent fix version was confirmed in the supplied data. Where the SDK is embedded in a downstream application, the updated Outside In libraries must be obtained from that application's vendor or rebuilt against the patched SDK; until then, treat the host as untrusted-input sensitive. Compensating controls with explicit trade-offs: restrict which users and services can run applications that invoke Outside In on files from external sources (reduces the population of exploitable hosts but may block legitimate document workflows); route untrusted documents through a separate, low-privilege conversion service or sandbox so a successful parse compromise does not yield full host takeover (adds latency and operational complexity, and some formats may fail conversion); block or strip document types not required by business processes at mail and file-ingress gateways (reduces the social-engineering delivery surface at the cost of functionality); and enforce least privilege and monitoring on hosts running Outside In so unusual child processes or file writes from a document-processing application are detected quickly.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
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Technical ContextAI · show details
Oracle Outside In Technology is a set of document and file-format conversion/filtering SDKs embedded in third-party applications and services to render, extract, and transform content from hundreds of file formats. The flaw resides in the Outside In Core component, meaning a host application must pass attacker-controlled content into the parsing/filtering pipeline for it to trigger - this dependency on a calling application explains the local attack vector (AV:L) with required user interaction (UI:R) in the CVSS vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vector indicates no privileges are required (PR:N) and no scope change (S:U), but exploitation yields high confidentiality, integrity and availability impact, consistent with memory-corruption-style parser flaws typically found in document-processing engines, though Oracle assigned no CWE classification in the available data. Because the affected code is a library consumed by other products, exposure extends to any downstream application that ingests untrusted files through Outside In 8.5.8, and the local vector reflects that the vulnerable process runs wherever the SDK is deployed rather than exposing a network service directly.
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:L and UI:R because exploitation requires a local user to open a crafted file; PR:N since the attacker needs no account; AC:L and C/I/A:H per the stated full takeover.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). 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).
Executive ViewAI
Oracle Outside In Technology 8.5.8 contains a high-severity parsing vulnerability that can let a local attacker seize control of the affected runtime when a crafted document is opened, putting confidentiality, integrity, and availability at risk for any application that embeds the component. Organizations that process external or user-supplied documents are most exposed because exploitation requires a victim to open a malicious file. No public exploit identified at time of analysis, but leadership should act now to locate affected deployments and reduce document-parsing exposure ahead of Oracle's October 2026 Critical Patch Update.
No vendor-released patch identified at time of analysis; interim mitigations include restricting processing of untrusted documents, running Outside In parsing in a sandboxed or low-privilege context, disabling unused document formats, and monitoring for anomalous behavior.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
EUVD-2026-106706
GHSA-4r9w-9978-45q5
NVD
CVE.org
EPSS
Exploit-DB