CVE-2026-101410 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 10/21/2026
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Interlink). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Business Interlink component of Oracle PeopleSoft Enterprise PeopleTools, specifically affecting versions ranging from 8.61 through 8.63. This security flaw represents a significant risk to organizations relying on these legacy or mid-range releases for their enterprise resource planning and human capital management operations. The core issue stems from an architectural weakness in how the Business Interlink service handles incoming HTTP requests, allowing for unauthorized access patterns that bypass standard authentication mechanisms under specific conditions. While the vulnerability is classified as difficult to exploit due to high complexity requirements, its potential impact remains severe because it targets a critical integration layer within the PeopleSoft ecosystem.
From a technical perspective, this flaw aligns with CWE-287, which describes Improper Authentication, and potentially CWE-306 for Missing Authentication for Critical Function. The vulnerability allows an attacker who possesses low-level privileges to gain unauthorized access via network connections using the HTTP protocol. Although the attack complexity is high, requiring precise timing or specific payload construction that may not be easily automated by generic scanners, it does not require user interaction such as clicking a malicious link. This characteristic places the exploit vector firmly within the Network category of the MITRE ATT&CK framework, specifically relating to techniques involving remote service exploitation where authentication has been bypassed or circumvented through logic flaws rather than credential theft.
The operational impact of this vulnerability is substantial, with a CVSS 3.1 base score of 7.5 indicating High severity. The vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that the attacker requires only low privileges and no user interface interaction to achieve full compromise. Upon successful exploitation, an adversary can take complete control of the PeopleSoft Enterprise PeopleTools environment. This level of access enables the extraction of sensitive confidential data, modification of critical system configurations or business logic (integrity impact), and disruption of service availability by crashing processes or locking out legitimate users. In a corporate setting, this could lead to significant financial loss, regulatory non-compliance due to data breaches, and operational downtime that affects downstream dependent systems integrated via Business Interlink.
Mitigation strategies must prioritize immediate patching if an official Oracle security update is available for the affected versions 8.61 through 8.63. Organizations should verify their current PeopleTools version against this advisory and apply the relevant patches to close the authentication bypass logic flaw. In cases where patching is not immediately feasible due to compatibility constraints with legacy applications, network-level controls become essential. Implementing strict firewall rules to restrict access to the Business Interlink endpoints solely from trusted internal IP ranges can significantly reduce the attack surface. Additionally, deploying Web Application Firewalls configured to detect anomalous HTTP request patterns associated with this specific vulnerability type may provide an additional layer of defense against exploitation attempts while longer-term remediation plans are executed.