CVE-2026-83185 Overview
CVE-2026-83185 is an access control vulnerability [CWE-284] in the Oracle Common Applications product of Oracle E-Business Suite. The flaw resides in the CRM User Management Framework component and affects supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit this vulnerability, but successful exploitation requires user interaction from a person other than the attacker. Successful attacks lead to unauthorized creation, deletion, or modification of critical data, plus unauthorized read access to Oracle Common Applications data.
Critical Impact
Successful exploitation permits unauthorized read and write access to critical data across all Oracle Common Applications accessible to the compromised session.
Affected Products
- Oracle E-Business Suite - Oracle Common Applications version 12.2.3
- Oracle E-Business Suite - Oracle Common Applications versions 12.2.4 through 12.2.14
- Oracle E-Business Suite - Oracle Common Applications version 12.2.15
Discovery Timeline
- 2026-09-15 - CVE-2026-83185 published to NVD
- 2026-09-17 - Last updated in NVD database
Technical Details for CVE-2026-83185
Vulnerability Analysis
The vulnerability affects the CRM User Management Framework, a component that governs user provisioning, role assignment, and administrative workflows within Oracle E-Business Suite. Improper access control [CWE-284] permits an authenticated low-privileged attacker to perform actions that should be restricted to higher-privileged roles. The attack proceeds over HTTP and depends on a separate victim, typically an administrator or elevated user, interacting with a crafted request or artifact controlled by the attacker.
The impact spans both confidentiality and integrity of application data. Availability is not affected. The presence of a user-interaction requirement is consistent with attack chains that leverage crafted links, embedded content, or session-riding techniques against authenticated Oracle E-Business Suite users.
Root Cause
The root cause is a missing or improperly enforced authorization check within the CRM User Management Framework. The component fails to consistently validate that the requesting principal holds the privileges required for a given operation, allowing a low-privileged account to influence privileged actions when combined with victim interaction.
Attack Vector
Exploitation requires an authenticated session with low privileges and network reachability to the Oracle E-Business Suite HTTP interface. The attacker crafts a request or resource that, when interacted with by a second user, triggers unauthorized create, read, update, or delete operations against Oracle Common Applications data. See the Oracle Security Alert CSPUSEP2026 for vendor-supplied technical details.
No public exploit code or proof-of-concept is available at the time of publication. The EPSS score is 0.268%.
Detection Methods for CVE-2026-83185
Indicators of Compromise
- Unexpected user account creations, role grants, or profile modifications originating from low-privileged accounts within Oracle E-Business Suite audit logs.
- HTTP requests to CRM User Management Framework endpoints that reference privileged operations but originate from sessions lacking administrative roles.
- Anomalous referer headers on privileged Oracle E-Business Suite requests, indicating the request was triggered from an attacker-controlled resource.
Detection Strategies
- Enable and review Oracle E-Business Suite Sign-On Audit and Page Access Tracking to correlate low-privileged session identifiers with sensitive administrative actions.
- Compare role assignment events against approved change tickets to surface out-of-band grants performed via the CRM User Management Framework.
- Baseline normal request patterns for CRM UMF URLs and alert on deviations, particularly requests submitted shortly after a user interacts with external content.
Monitoring Recommendations
- Forward Oracle E-Business Suite application, database, and web tier logs to a centralized analytics platform for cross-source correlation.
- Monitor FND_USER, WF_LOCAL_ROLES, and related tables for unauthorized modifications outside change windows.
- Alert on privileged workflow notifications delivered to atypical recipients or accepted from unusual client IP addresses.
How to Mitigate CVE-2026-83185
Immediate Actions Required
- Apply the patches referenced in the Oracle Security Alert CSPUSEP2026 as soon as the maintenance window permits.
- Inventory all Oracle E-Business Suite 12.2.3 through 12.2.15 instances and prioritize internet-facing or partner-accessible deployments.
- Review recent activity from low-privileged accounts for signs of unauthorized data access or role modification.
Patch Information
Oracle addressed this vulnerability in the CSPUSEP2026 Security Alert. Administrators should consult the Oracle Security Alert CSPUSEP2026 advisory for the specific patch identifiers applicable to their Oracle E-Business Suite 12.2.x release level and apply them following Oracle's documented deployment procedures.
Workarounds
- Restrict network access to Oracle E-Business Suite HTTP endpoints to trusted corporate networks and VPN clients until patches are applied.
- Enforce least privilege on Oracle E-Business Suite accounts and remove unused CRM UMF responsibilities from low-privileged users.
- Train administrative users to avoid clicking untrusted links while authenticated to Oracle E-Business Suite, reducing the likelihood of interaction-driven exploitation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
