CVE-2026-101421 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 10/21/2026
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 unauthenticated 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. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the SQR component of Oracle PeopleSoft Enterprise PeopleTools, specifically affecting versions ranging from 8.61 to 8.63. This security flaw represents a critical weakness in the application's authentication and access control mechanisms, allowing for unauthorized interaction with sensitive system resources. The core technical issue stems from an insufficient validation or enforcement of identity verification processes within the SQR reporting engine when accessed via HTTP protocols. As a result, the component fails to properly restrict access based on user credentials, creating a pathway for malicious actors to bypass standard security controls that are typically required to interact with enterprise data processing functions.
From an operational perspective, this vulnerability is particularly dangerous due to its ease of exploitation and lack of authentication requirements. An attacker does not need valid login credentials or any form of prior interaction with the system interface to launch a successful attack. Instead, they can exploit the flaw remotely over a network connection using standard HTTP requests. This characteristic significantly lowers the barrier for entry, enabling even attackers with limited technical sophistication to compromise the integrity and confidentiality of the PeopleSoft environment. The absence of required user interaction or complex preconditions makes this vulnerability highly attractive in automated scanning campaigns where broad access is sought without targeted credential theft.
The impact of a successful exploitation is severe, primarily centered around data confidentiality breaches. According to the provided CVSS 3.1 metrics, which assign a base score of 7.5 out of 10, the primary consequence is high-impact unauthorized disclosure of information. Attackers can gain access to critical business data stored within PeopleSoft modules such as Human Resources, Financials, or Supply Chain Management. In worst-case scenarios, this could lead to complete exposure of all accessible enterprise data, resulting in significant regulatory compliance violations under frameworks like GDPR or HIPAA, substantial financial losses due to intellectual property theft, and reputational damage for the affected organization. The integrity and availability impacts are listed as none, suggesting that while data is at risk of being read by unauthorized parties, direct system disruption or modification may not be a primary outcome of this specific vector, although secondary effects could arise from further exploitation steps enabled by initial access.
In terms of industry-standard classification systems, this vulnerability aligns with CWE-287, which describes Improper Authentication, as the root cause is the failure to verify user identity before granting data access. It also maps closely to MITRE ATT&CK technique T1078, Valid Accounts, although in this specific case, it applies more accurately to unauthenticated access scenarios often categorized under initial access vectors that exploit misconfigured permissions or legacy protocol weaknesses. The network-based nature of the attack places it within the context of remote code execution or data exfiltration pathways where HTTP is used as a transport mechanism for malicious payloads designed to query sensitive database records directly through the SQR interface.
To mitigate this risk, organizations running affected versions must prioritize immediate patching by applying the latest security updates provided by Oracle PeopleSoft that address the authentication flaws in the SQR component. Until patches are applied, network-level controls should be implemented to restrict access to the vulnerable HTTP endpoints from untrusted networks or internet-facing interfaces. Web Application Firewalls can be configured with specific rulesets to detect and block anomalous requests targeting known vulnerable parameters within the PeopleTools architecture. Additionally, administrators should review logging mechanisms to monitor for unusual patterns of data retrieval that do not correspond to standard user activity profiles, ensuring rapid detection if an exploitation attempt occurs despite preventive measures.