Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated HTTP-reachable eProcurement endpoint gives AV:N/PR:N/UI:N; Oracle's 'difficult to exploit' justifies AC:H; component takeover yields full C:H/I:H/A:H with unchanged scope.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the PeopleSoft Enterprise FIN Common Objects Brazil product of Oracle PeopleSoft (component: eProcurement). The supported version that is affected is 9.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise FIN Common Objects Brazil. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise FIN Common Objects Brazil. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full compromise of the Oracle PeopleSoft Enterprise FIN Common Objects Brazil module (version 9.1, eProcurement component) is possible by a remote unauthenticated attacker over HTTP, per Oracle's July 2026 Critical Patch Update. Successful exploitation results in complete takeover of the affected component, though Oracle rates the attack as difficult to execute (high attack complexity). There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Technical ContextAI
The affected software is Oracle PeopleSoft, a widely used enterprise resource planning (ERP) suite, specifically the FIN Common Objects Brazil localization package that supports Brazilian financial/tax requirements within the Financials product line. The vulnerable code path sits in the eProcurement component, which handles web-facing procurement workflows served over HTTP through the PeopleSoft Internet Architecture (PIA) application tier. No CWE was assigned in the source data, so the precise root-cause class (e.g., injection, deserialization, or authentication bypass) cannot be confirmed; the Oracle tag 'Information Disclosure' plus full C/I/A impact suggests a flaw allowing an attacker to read and manipulate application data leading to component takeover, but the exact mechanism is not documented in the available intelligence.
RemediationAI
Apply the fixes delivered in Oracle's July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html); the source data does not name an exact patched build number, so treat this as 'patch available per vendor advisory' and consult the CPU matrix for the specific PeopleSoft PeopleTools/patch level applicable to version 9.1. Until patching, reduce exposure by restricting network access to the PeopleSoft Internet Architecture web tier - place the application behind a VPN or IP allow-list and block untrusted internet access to the eProcurement URLs - and consider disabling or restricting the eProcurement self-service module if it is not required in the Brazil deployment; the trade-off is that these controls will block legitimate remote procurement users and self-service access. Review web/application server logs for anomalous requests to eProcurement endpoints as a detective control.
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Unauthorized data compromise in Oracle PeopleSoft Enterprise FIN Common Objects Argentina 9.1 (eProcurement component) a
Full compromise of Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 (Integration component) is possible by an
Unauthorized data compromise in Oracle PeopleSoft Enterprise FIN Common Objects Argentina 9.1 (eProcurement component) a
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Unauthorized data disclosure in Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 (Common Objects component) al
Data compromise in Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 (eProcurement component) lets a remote una
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-47285
GHSA-mhf9-rxvp-f8wq