CVE-2026-83019 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 09/16/2026
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise PeopleTools accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 8.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the SQR component of Oracle PeopleSoft Enterprise PeopleTools, specifically affecting supported versions ranging from 8.61 to 8.63. This security flaw represents a significant risk vector for organizations relying on these legacy or mid-range releases of the enterprise resource planning platform. The core issue stems from insufficient input validation and access control mechanisms within the SQR reporting engine, which is historically used for generating complex reports and data processing tasks. Because the vulnerability allows exploitation by low-privileged attackers with network access via HTTP, it indicates a failure in enforcing proper authentication or authorization checks before executing sensitive operations. This architectural weakness enables an adversary to bypass standard security boundaries that are typically designed to restrict such actions to administrative users only.
From a technical perspective, this flaw aligns closely with CWE-287, which describes Improper Authentication, and potentially CWE-94, Code Injection, depending on the specific mechanism of exploitation within the SQR interpreter. The attacker can leverage HTTP-based requests to trigger malformed or maliciously crafted inputs that are processed by the vulnerable component without adequate sanitization. This lack of rigorous validation allows the execution of unauthorized commands or data retrieval operations that were not intended for users with low-level privileges. The presence of network access as a prerequisite means that this vulnerability is remotely exploitable, significantly increasing its attack surface compared to local-only vulnerabilities.
The operational impact of successfully exploiting this vulnerability is severe and multifaceted. As indicated by the CVSS 3.1 base score of 8.1, which classifies it as High severity, the primary consequences involve a complete compromise of confidentiality and availability within the PeopleSoft environment. An attacker can gain unauthorized access to critical business data, leading to potential intellectual property theft, regulatory non-compliance, and reputational damage. Furthermore, the vulnerability allows for arbitrary code execution or memory corruption that results in denial of service conditions. Specifically, attackers can cause a hang or frequently repeatable crash of the PeopleSoft Enterprise PeopleTools application, effectively rendering the system unavailable to legitimate users and disrupting business operations.
In terms of threat modeling, this exploitation path corresponds to ATT&CK techniques such as T1078 Valid Accounts for initial access if low-privilege credentials are compromised, followed by T1530 Data from Cloud Storage or local data exfiltration depending on the specific SQR output capabilities. The ability to cause a complete denial of service also maps to T1499 Endpoint Denial of Service. These mappings highlight that the vulnerability is not merely an information leak but a critical infrastructure risk capable of halting enterprise workflows entirely.
Mitigation strategies must prioritize immediate patching or upgrading PeopleTools to a version where this SQR component flaw has been remediated by Oracle. In environments where immediate patching is not feasible, network-level controls should be implemented to restrict HTTP access to the affected components strictly to authorized IP ranges and users with high privileges. Additionally, deploying Web Application Firewalls configured to detect anomalous SQR request patterns can provide a layer of defense against exploitation attempts. Regular auditing of user permissions within PeopleSoft ensures that low-privileged accounts do not possess unnecessary access rights to reporting engines or data extraction tools, thereby reducing the blast radius if such vulnerabilities are present in other components as well.