Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate with low-privilege OIM account
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DeliveryReach OIM Legacy UI over HTTP
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ExploitSend crafted requests meeting timing preconditions
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ExecutionEscalate to full OIM takeover
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ImpactPivot via scope change to connected products
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires an authenticated low-privileged account on Oracle Identity Manager (CVSS PR:L) and network HTTP access to the OIM Legacy UI component specifically - the modern UI is not implicated by the component field. The vulnerability is explicitly 'difficult to exploit' (AC:H), meaning the attacker must satisfy additional non-trivial conditions such as a specific timing/race window or particular application state, not merely send a single request. No user interaction is needed (UI:N). Limiting factors that reduce realistic risk: the account prerequisite (fully anonymous internet exploitation is not possible), the high attack complexity, and applicability only to the two named versions (12.2.1.4.0 and 14.1.2.1.0) running the Legacy UI. The scope change (S:C) means a successful attack can extend impact beyond OIM to connected products. |
| Impact | Signals are mixed and should be weighed carefully. The CVSS 3.1 base score of 8.5 is High and is elevated primarily by the scope change (S:C) and full C:H/I:H/A:H impact, meaning a successful attack yields complete takeover and can reach beyond OIM itself. However, exploitability is constrained: AC:H indicates the attacker must win a race condition or meet non-trivial preconditions, and PR:L requires an already-authenticated low-privileged account, so this is not a fully anonymous internet-facing exploit. No EPSS score was supplied, the CVE is not in CISA KEV, and no POC has been published, so there is no evidence of active or imminent mass exploitation. Net assessment: a genuine priority for organizations running OIM because of the identity-fabric blast radius, but the authentication requirement and high attack complexity make widespread opportunistic exploitation less likely than the raw 8.5 might suggest - treat as a scheduled-patch (CPU) priority rather than an emergency zero-day. Note the tag 'Information Disclosure' conflicts with Oracle's 'takeover / full CIA' description - the vendor text is authoritative here. |
| Exploit ScenarioDerived | An attacker who has obtained or been granted a low-privilege Oracle Identity Manager account (for example a routine business user with self-service access) sends crafted HTTP requests to the OIM Legacy UI and, after meeting the timing or precondition demands implied by the high attack complexity, escalates to full control of the OIM instance. Because of the scope change, the attacker can then leverage OIM's trust relationships to reach and manipulate downstream connected systems and identities. No public exploit code is currently available, so this scenario is presently theoretical rather than observed in the wild. |
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Alert meAnalysisAIv1 – Jul 22, 2026
Privilege-escalation-to-takeover in Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0 (OIM Legacy UI component) allows a low-privileged, authenticated attacker with HTTP network access to fully compromise the product, with a scope change that can significantly impact additional connected products. Rated CVSS 3.1 8.5 (High) with full confidentiality, integrity, and availability impact, though the AC:H metric marks it as difficult to exploit. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; it was disclosed in Oracle's July 2026 Critical Patch Update.
RemediationAI
Apply the fixes delivered in Oracle's July 2026 Critical Patch Update, which is the vendor-released remediation for both affected releases (12.2.1.4.0 and 14.1.2.1.0); follow the exact patch bundle and prerequisite steps documented at https://www.oracle.com/security-alerts/cpujul2026.html. An exact standalone fix version is not called out separately in the input beyond the CPU, so apply the CPU patch set corresponding to your installed release. As compensating controls until patching, restrict network reachability of the OIM Legacy UI to trusted administrative networks or a VPN/jump-host segment rather than exposing it broadly, and if the Legacy UI is not actively used consider disabling or blocking access to it in favor of the modern OIM UI (trade-off: any workflows or integrations that still depend on the legacy front-end will break). Additionally tighten and audit low-privilege OIM account provisioning and monitor OIM HTTP access logs for anomalous requests, since exploitation requires an authenticated low-privilege session. These controls reduce exposure but do not eliminate the flaw - patching via the CPU is the only complete fix.
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 Identity Manager (OIM) is Oracle Fusion Middleware's enterprise identity governance and administration platform, used for user provisioning, role management, access request workflows, and reconciliation across downstream target systems. The affected surface is the OIM Legacy UI component - the older web front-end retained for backward compatibility. Because OIM sits at the center of an organization's identity fabric and holds trust relationships to many connected applications and directories, a flaw here carries an unusually broad blast radius, which the CVSS scope-change (S:C) flag captures. The upstream feed tags this as Information Disclosure, but Oracle's own text describes full takeover with C/I/A all High, so the practical impact exceeds simple disclosure. No CWE was assigned by Oracle or NVD, so the precise root-cause class (e.g., access-control, injection, or deserialization) cannot be stated from the available data.
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Severity by source
AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Network HTTP reachable but requires an authenticated low-privilege account (PR:L) and non-trivial preconditions (AC:H); full takeover with cross-product scope change gives S:C and C/I/A:H.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Identity Manager. While the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).
Executive ViewAI
Oracle Identity Manager (OIM) versions 12.2.1.4.0 and 14.1.2.1.0 contain a privilege escalation vulnerability (CVSS 8.5) that allows authenticated users to fully compromise the identity management platform and potentially pivot to connected enterprise systems. This directly impacts user provisioning, access controls, and authentication workflows across the organization's infrastructure.
No vendor-released patch identified at time of analysis. Interim mitigations: restrict Legacy UI access to administrative users only; enforce multi-factor authentication on all OIM administrative accounts; implement API rate-limiting to slow privilege escalation attempts; maintain detailed audit logs of all identity and access changes; segment OIM from other directory services and downstream systems; monitor for indicators of account privilege elevation or administrative actions from low-privileged contexts.
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
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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