CVE-2026-91482 in PeopleSoft Enterprise SCM Strategic Sourcing
Summary
by MITRE • 10/21/2026
Vulnerability in the PeopleSoft Enterprise SCM Strategic Sourcing product of Oracle PeopleSoft (component: Bidder Registration). The supported version that is affected is 9.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise SCM Strategic Sourcing. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise SCM Strategic Sourcing accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/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 Bidder Registration component of Oracle PeopleSoft Enterprise SCM Strategic Sourcing, specifically affecting version 9.2. This module is a critical entry point for external vendors and suppliers who register to participate in procurement processes managed by organizations using this enterprise resource planning suite. The flaw represents a significant security gap that allows an attacker with low privileges and network access via HTTP to compromise the integrity of the application's data confidentiality controls. Because the vulnerability is easily exploitable, it does not require complex preconditions or user interaction, making it particularly dangerous in environments where external-facing services are exposed to the public internet or untrusted internal networks.
From a technical perspective, this issue aligns with CWE-284, Improper Access Control, as well as CWE-613, Insufficient Session Expiration, depending on the specific mechanism of unauthorized data retrieval within the registration workflow. The attacker leverages their low-level privileges to bypass intended access restrictions, effectively escalating their ability to view sensitive information that should be restricted to authorized administrators or authenticated users with higher clearance levels. This type of flaw often stems from insufficient validation of user roles and permissions during API calls or web requests directed at the Bidder Registration endpoints. The absence of proper authorization checks allows a malicious actor to query internal data structures directly, bypassing standard application logic that would normally filter out unauthorized access attempts.
The operational impact of this vulnerability is severe due to its direct effect on confidentiality. As indicated by the CVSS 3.1 base score of 6.5 and the vector (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), the primary risk lies in high-impact data exposure with no immediate impact on integrity or availability. Successful exploitation enables an attacker to gain unauthorized access to critical business data, including sensitive bidder information, pricing strategies, contract details, and potentially personally identifiable information of vendors. This breach can lead to competitive disadvantage for the organization, regulatory penalties under frameworks such as GDPR or CCPA if personal data is exposed, and reputational damage resulting from a perceived lack of security maturity in procurement operations.
In terms of threat modeling, this vulnerability maps to MITRE ATT&CK technique T1078, Valid Accounts, specifically when combined with lateral movement techniques that rely on harvested credentials or session tokens obtained through the initial data exfiltration. It also relates to T1530, Data from Cloud Storage Object, if the bid registration system interacts with underlying storage systems where sensitive documents are kept. The low attack complexity and network accessibility mean that automated scanning tools can easily identify and exploit this weakness across large fleets of vulnerable instances without manual intervention by the attacker.
Mitigation strategies must focus on immediate patching and enhanced access controls. Organizations running PeopleSoft Enterprise SCM Strategic Sourcing version 9.2 should apply the latest security patches provided by Oracle, which address the authorization logic flaws within the Bidder Registration component. In addition to applying vendor-supplied fixes, administrators should implement strict network segmentation to limit HTTP access to this specific module only from trusted IP ranges or through a secure web application firewall that enforces role-based access control policies. It is also advisable to review and harden authentication mechanisms for external-facing services, ensuring that multi-factor authentication is enforced where possible and that session management practices are robust against hijacking or fixation attacks. Regular security audits focusing on API endpoints and registration workflows can help identify similar misconfigurations before they are exploited in the wild.