CVE-2026-83015 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 09/16/2026
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Cube Manager). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where PeopleSoft Enterprise PeopleTools executes to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Cube Manager component of Oracle PeopleSoft Enterprise PeopleTools, specifically affecting versions ranging from 8.61 to 8.63. This security flaw represents a significant risk to organizations relying on these specific iterations for their enterprise resource planning and business intelligence operations. The core issue is characterized by an exploitation difficulty that requires careful orchestration, yet it remains feasible for attackers who have already established a foothold within the target infrastructure. The vulnerability allows a low-privileged attacker with valid logon credentials to compromise the integrity of the PeopleSoft environment. This classification indicates that while the initial access barrier involves authentication, the subsequent escalation and exploitation path does not require high-level privileges or complex user interaction, making it particularly dangerous for environments where standard users have broad access to reporting tools.
From a technical perspective, this vulnerability aligns with common patterns found in enterprise software components that handle data aggregation and multidimensional analysis. Cube Manager is responsible for managing OLAP cubes, which are central to PeopleSoft's analytical capabilities. The flaw likely stems from improper validation or handling of input within the cube processing logic, potentially allowing an authenticated user to execute unauthorized operations or manipulate system resources beyond their intended scope. This behavior is consistent with CWE-269, Improper Privilege Management, where a subject possesses insufficient privileges for some actions but sufficient for others that lead to security compromise. Furthermore, the ability of a low-privileged attacker to achieve full takeover suggests elements of CWE-78, OS Command Injection, or CWE-94, Code Injection, depending on the specific mechanism exploited within the Cube Manager module. The lack of required user interaction further points towards an automated exploitation vector that can be triggered programmatically once initial access is gained.
The operational impact of this vulnerability is severe, as indicated by a CVSS 3.1 Base Score of 7.0, which denotes a High severity rating. The attack vector specifies Local network accessibility with high complexity and low privileges required, resulting in significant impacts across confidentiality, integrity, and availability. A successful exploit enables an attacker to take complete control of the PeopleSoft Enterprise PeopleTools instance. This level of compromise allows for unauthorized access to sensitive business data stored within the system, modification or deletion of critical configuration settings, and potential disruption of services affecting downstream applications that depend on PeopleSoft outputs. In a corporate environment, this could lead to substantial financial loss, regulatory non-compliance due to data breaches, and reputational damage. The high complexity score suggests that while exploitation is not trivial, it does not require specialized conditions or rare configurations, meaning determined attackers with basic scripting skills can likely develop reliable exploits over time.
In terms of threat modeling, this vulnerability maps directly to the MITRE ATT&CK framework under techniques involving Initial Access and Privilege Escalation. Specifically, it relates to T1078, Valid Accounts, as exploitation requires valid logon credentials. Once inside, the attacker leverages the flaw to escalate privileges or maintain persistence within the application layer before potentially moving laterally across the network. The local attack vector implies that this is primarily an insider threat scenario or a consequence of prior compromise where an attacker has already breached perimeter defenses and obtained low-level user accounts. This highlights the importance of defense-in-depth strategies, as perimeter security alone cannot prevent exploitation once internal access is achieved.
Mitigation efforts must prioritize immediate patching to the latest supported version of Oracle PeopleSoft Enterprise PeopleTools that resolves this specific issue in the Cube Manager component. Organizations should verify their current deployment versions against the affected range of 8.61 through 8.63 and apply official security patches provided by Oracle as soon as they become available for these legacy releases if still supported, or plan an upgrade to a newer, secure version. In addition to patching, implementing strict least-privilege principles is critical. Administrators should review user roles within PeopleSoft to ensure that access to Cube Manager and related analytical tools is restricted only to those individuals who absolutely require it for their job functions. Network segmentation can also help limit the blast radius by isolating PeopleSoft servers from general corporate networks, thereby reducing the number of potential low-privileged attackers with direct network connectivity to the vulnerable infrastructure. Continuous monitoring of system logs for unusual activity related to cube processing and administrative actions will aid in early detection of exploitation attempts.