Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessGain local logon access to OIT 8.5.8 host
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DeliveryCraft malicious document targeting Outside In Core parser
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ExploitPlace file in victim's processing path
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ExecutionVictim opens or processes malicious document
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PersistTrigger memory corruption in parsing engine
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ImpactAchieve full takeover of Oracle Outside In Technology process
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A08:2025 - Software or Data Integrity Failures
ASVS 5.0
V1 - Encoding and Sanitization Safe deserialization, type allowlists
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires the attacker to hold a local logon account on the infrastructure host where Oracle Outside In Technology 8.5.8 is installed - the CVSS vector AV:L explicitly excludes remote network-based exploitation. A second, distinct prerequisite is human interaction from a person other than the attacker (UI:R per CVSS), meaning a victim user must open, queue, or otherwise trigger the parsing of an attacker-supplied file through the Outside In Core component; fully automated, unattended exploitation is not possible. No special system privileges are required of the attacker beyond the ability to log on (PR:N). Exploitation is limited by version - only 8.5.8 is confirmed affected. The human interaction gate limits risk in environments where OIT processes only internally generated or tightly controlled documents, but is effectively neutralized in document-ingestion pipelines where external files are processed by default as part of normal operations. |
| Impact | The CVSS 7.8 score reflects a real but gated threat: the local attack vector (AV:L) is the most significant limiting factor, confining exploitation to actors who already hold logon credentials on the host running OIT 8.5.8, which eliminates the vast majority of remote opportunistic attackers. The additional human interaction requirement (UI:R) means the attack cannot proceed autonomously - a victim must actively engage with attacker-controlled input, further narrowing the realistic exploitation window. That said, environments where OIT processes files sourced from external or untrusted parties - common in document conversion pipelines and content ingestion workflows - effectively collapse the UI:R gate because the victim's normal job function IS the interaction. The low attack complexity (AC:L) and no privilege requirement (PR:N for local access) mean an attacker who clears the AV:L threshold faces no further technical hurdles, and even a mid-sized municipal IT team in swidnica operating an Oracle Fusion Middleware deployment should treat this as urgent if their OIT host is accessible to non-admin users or if it processes externally sourced documents. No EPSS score was available to quantify population-level exploitation probability, no CISA KEV listing confirms active exploitation, and no POC was identified - collectively these signals suggest the threat is credible but not yet widely observed in the wild. The tag 'Information Disclosure' in the source data conflicts with the CVSS C:H/I:H/A:H triad and Oracle's own 'takeover' language; the CVSS and description are considered authoritative here. |
| Exploit ScenarioDerived | An attacker with a local account on a host running Oracle Outside In Technology 8.5.8 crafts a malicious document file - likely targeting the Outside In Core parser's handling of a specific format - and places it in a directory that an authorized user or automated workflow will process through OIT. When the victim opens or triggers parsing of the malicious file (fulfilling the UI:R requirement), a memory corruption condition fires inside the native parsing engine, allowing the attacker to redirect execution and achieve full control over the OIT process. No public proof-of-concept has been identified, but the low attack complexity implies a skilled attacker could develop a reliable exploit relatively quickly once they have identified the specific parsing flaw. |
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Alert meAnalysisAIv1 – Aug 18, 2026
Full takeover of Oracle Outside In Technology 8.5.8 is achievable by a local attacker who can position a malicious file for processing by an authorized user on the same host, exploiting a low-complexity flaw in the Outside In Core parsing engine. The vulnerability affects Oracle Fusion Middleware deployments running OIT 8.5.8 and yields complete compromise of confidentiality, integrity, and availability upon successful exploitation. No public exploit code or CISA KEV listing has been identified at time of analysis, though the low attack complexity (AC:L) and absence of privilege requirements (PR:N) make this straightforward to exploit for any attacker who has already achieved local system access.
RemediationAI
The primary fix is to apply Oracle's Critical Patch Update for August 2026, which addresses this vulnerability in Oracle Outside In Technology 8.5.8; the advisory is available at https://www.oracle.com/security-alerts/cspuaug2026.html. The exact patched build version is not independently confirmed beyond the August 2026 CPU designation - administrators should consult My Oracle Support for the specific patch identifier and installation instructions. Until patching is complete, restrict local logon access to OIT hosts to only explicitly authorized service accounts, eliminating the PR:N local attacker foothold; note this may impact maintenance and administrative workflows. Additionally, implement strict controls on which directories OIT monitors or processes, preventing untrusted users from depositing files into any path that OIT's parsing engine ingests - this directly addresses the UI:R gate by removing the attacker's ability to position malicious documents in the victim's workflow. Network-level isolation of OIT hosts from general-purpose user workstations reduces lateral movement risk for attackers who have already compromised an adjacent system.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle Outside In Technology (OIT) is a file-format parsing and conversion SDK embedded across a broad range of Oracle products - including WebCenter Content, Stellent, and other enterprise content management platforms - responsible for reading, normalizing, and converting diverse document formats such as Office, PDF, and image files. The affected component is Outside In Core, the native-code parsing engine at the heart of the SDK, version 8.5.8 under Oracle Fusion Middleware. File parsing engines of this class are historically susceptible to memory safety defects - buffer overflows, integer truncation, use-after-free conditions - triggered by processing specially crafted input files through the native C/C++ parsing routines. Oracle has not disclosed the specific CWE (listed as N/A), so the exact root cause class is unconfirmed, but the described impact (full takeover via local, user-interaction-dependent exploitation) is consistent with a memory corruption class defect in a document parser. No CPE strings were explicitly provided in the available intelligence data.
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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 confirmed by 'logon to infrastructure' requirement; PR:N because no system privileges needed beyond local access; UI:R reflects mandatory victim file interaction; C/I/A:H consistent with full process 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).
Zero Day Initiative Advisories
Executive ViewAI
Oracle Outside In Technology 8.5.8, a component of Oracle Fusion Middleware, contains a critical local privilege escalation vulnerability (CVE-2026-60412) that enables complete system compromise without requiring elevated privileges. Any local attacker capable of positioning malicious files for processing by authorized users can achieve full takeover of system confidentiality, integrity, and availability. Organizations running this version require immediate mitigation strategies pending patch availability.
No vendor-released patch identified at time of analysis. Interim mitigations: restrict file staging and processing operations to authenticated administrative accounts, implement application-level file type validation before OIT processing, deploy behavioral monitoring on OIT processing directories and /tmp for suspicious file creation or execution patterns, and isolate affected Oracle Fusion Middleware instances to restricted administrative networks until patch becomes available.
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
Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.
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EUVD-2026-61385
GHSA-x347-x2cw-vgqm
NVD
CVE.org
EPSS
Exploit-DB