CVE-2026-82993 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 09/15/2026
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Interlink). 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. While the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise PeopleTools accessible data as well as unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 09/15/2026
The identified vulnerability resides within the Business Interlink component of Oracle PeopleSoft Enterprise PeopleTools, specifically affecting versions ranging from 8.61 to 8.63. This security flaw represents a significant risk due to its network-accessible nature and relatively low barrier for exploitation. The core technical issue allows an attacker with low privileges who has established network connectivity via HTTP to compromise the integrity of the application environment. Unlike many vulnerabilities that are isolated within their specific module, this defect exhibits scope change characteristics, meaning that while the root cause is located in PeopleTools, the resulting impact extends beyond it to potentially destabilize or expose data across additional integrated products connected to the system. This lateral movement capability amplifies the severity of the issue, as a compromise in one area can cascade into broader organizational systems.
From an operational perspective, successful exploitation enables unauthorized access to critical business data and grants complete read access to all PeopleSoft Enterprise PeopleTools accessible information. Furthermore, the vulnerability permits unauthorized modifications, including updates, inserts, and deletes, against certain datasets within the application scope. This dual impact on both confidentiality and integrity is reflected in a CVSS 3.1 base score of 8.5, categorized as High severity. The specific vector indicates that the attack requires no user interaction, has low complexity for execution, but demands local or network-level privileges to initiate. The presence of unauthorized data manipulation capabilities elevates the risk profile significantly, as it allows attackers not only to exfiltrate sensitive information but also to alter business records, potentially leading to financial loss, regulatory non-compliance, and reputational damage.
In terms of industry standard classifications, this vulnerability aligns with CWE-200, which covers exposure of sensitive information to an unauthorized actor, as well as CWE-78, the improper neutralization of special elements used in an OS command or injection context if the data manipulation involves backend processes. The attack pattern is consistent with ATT&CK technique T1059, Command and Scripting Interpreter, particularly when leveraging HTTP-based interactions for remote code execution or data exfiltration. Additionally, the unauthorized modification aspects map to MITRE ATT&CK tactic TA0043, Impact, specifically sub-techniques related to Data Manipulation such as T1485, Data Encrypted for Impact, if encryption is used during exfiltration, or more directly T1499, Endpoint Denial of Service, though the primary focus here remains on data integrity violations.
Mitigation strategies must prioritize immediate patching of all affected PeopleTools versions to 8.63 and above where available, ensuring that Oracle’s latest security updates are applied promptly. Organizations should also implement strict network segmentation to limit HTTP access to the Business Interlink component from untrusted networks. Web Application Firewalls can be configured to detect and block anomalous HTTP requests associated with this exploitation vector. Additionally, enforcing principle of least privilege for application service accounts is critical; even though the vulnerability allows low-privileged attackers to exploit it, ensuring that these accounts have minimal database permissions reduces the potential blast radius in case a breach occurs. Regular auditing of access logs and monitoring for unusual data modification patterns can aid in early detection of exploitation attempts before significant damage occurs.