CVE-2026-70777 in iSupplier Portal
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle iSupplier Portal product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle iSupplier Portal. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle iSupplier Portal 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 • 08/19/2026
The identified vulnerability resides within the Internal Operations component of Oracle iSupplier Portal, a critical module in the Oracle E-Business Suite ecosystem designed to manage supplier relationships and procurement workflows. This security flaw affects supported software versions ranging from 12.2.3 through 12.2.15. The nature of this defect is particularly severe because it permits exploitation by an unauthenticated attacker who requires only network access via the HTTP protocol. Unlike vulnerabilities that demand user interaction or valid credentials, this issue allows remote actors to bypass authentication mechanisms entirely, establishing a direct path into sensitive internal systems without prior authorization.
From a technical perspective, the flaw represents a significant breakdown in access control logic within the application layer. The vulnerability enables unauthorized entities to traverse security boundaries that should strictly limit data visibility based on user roles and permissions. By leveraging this weakness, an attacker can retrieve information that is intended to be restricted to authenticated users with specific privileges. This aligns closely with CWE-284, which describes Improper Access Control, as the system fails to enforce appropriate restrictions on authorized actions performed by unauthorized actors. The absence of required authentication checks allows malicious inputs or requests to trigger unintended data retrieval operations within the backend database and application logic.
The operational impact of this vulnerability is substantial due to its high confidentiality rating in the CVSS 3.1 scoring model, which assigns a base score of 7.5 out of 10. Successful exploitation grants attackers unauthorized access to critical business data housed within the iSupplier Portal. This includes sensitive supplier information, contract details, financial records, and potentially proprietary procurement strategies. In worst-case scenarios, an attacker could achieve complete access to all data accessible through the portal interface. Such exposure poses severe risks including intellectual property theft, competitive disadvantage, regulatory non-compliance with standards such as GDPR or SOX, and potential groundwork for further lateral movement within the corporate network if this system is integrated with other internal services.
In terms of threat modeling, this vulnerability maps to MITRE ATT&CK techniques related to Initial Access and Collection. Specifically, it facilitates unauthorized access that can be used for data exfiltration before any persistent backdoors are installed or lateral movements occur. The simplicity of the attack vector means that automated scanning tools could easily identify vulnerable instances across an organization's internet-facing assets, increasing the likelihood of opportunistic exploitation by threat actors seeking quick wins against poorly patched enterprise software environments.
To mitigate this risk, organizations must prioritize applying the latest security patches provided by Oracle for their specific version of E-Business Suite and iSupplier Portal. Since the vulnerability is exploitable over HTTP, it is imperative to ensure that all access to these services occurs exclusively via HTTPS with strong TLS configurations to prevent eavesdropping on any potential exploit payloads or sensitive data in transit. Additionally, implementing strict network segmentation can limit exposure by restricting direct internet-facing access to internal operations components, placing them behind firewalls and reverse proxies that enforce additional authentication layers. Regular vulnerability assessments and penetration testing should be conducted to identify similar misconfigurations across the broader application portfolio. Monitoring logs for unusual patterns of unauthenticated requests targeting portal endpoints will also aid in early detection of exploitation attempts while patching efforts are underway.