CVE-2026-70700 in Payables
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Payables 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 Payables. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Payables. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Internal Operations component of Oracle Payables, a critical module in the Oracle E-Business Suite ecosystem designed to manage accounts payable processes such as invoice processing and payment execution. The flaw affects supported software versions ranging from 12.2.3 through 12.2.15, indicating that this is not an issue limited to legacy or unsupported releases but rather impacts current production environments. This specific component handles backend administrative functions and internal system operations that are essential for the stability of the broader application suite. The presence of a vulnerability in such a core operational area suggests a fundamental weakness in how the service processes incoming requests, potentially involving improper validation of input data or resource management errors during routine internal tasks.
From an exploitation perspective, this vulnerability is characterized by its ease of use and broad accessibility. An unauthenticated attacker can leverage this flaw without needing valid credentials to initiate an attack vector. The primary communication channel utilized for the exploit is HTTP, which means that if Oracle Payables is exposed to a network where it accepts standard web traffic, particularly over port 80 or proxied through reverse proxies on other ports, the service becomes directly targetable. The requirement of only network access and low complexity in attack execution significantly lowers the barrier to entry for malicious actors. This aligns with common patterns seen in denial-of-service vulnerabilities where malformed packets or specific sequence requests can trigger internal exceptions that are not gracefully handled by the application logic, leading to system instability rather than data corruption or unauthorized access.
The operational impact of successfully exploiting this vulnerability is severe from an availability standpoint. The primary consequence is a complete denial of service, manifested as either a hang or a frequently repeatable crash of the Oracle Payables service. In enterprise environments, such outages can halt critical financial operations, preventing employees from processing invoices, approving payments, or accessing related financial data. This disruption can lead to significant operational downtime and potential financial penalties if payment deadlines are missed due to system unavailability. The CVSS 3.1 base score of 7.5 reflects this high severity level, specifically driven by the High impact on Availability while maintaining No impact on Confidentiality or Integrity. This classification underscores that while an attacker cannot steal data or alter records through this specific vector, they can effectively paralyze a key business function with minimal effort.
In terms of industry standard classifications, this vulnerability maps to CWE-400: Uncontrolled Resource Consumption, as the crash likely results from excessive resource allocation triggered by malicious input. It also correlates with ATT&CK technique T1499: Endpoint Denial of Service, specifically under sub-techniques involving application exhaustion or service disruption. The lack of authentication requirements places it in a high-risk category for internet-facing applications, emphasizing the need for immediate remediation if exposed to untrusted networks. Security teams should treat this as a critical availability risk that requires prioritized patching or compensating controls such as web application firewall rules to filter out malicious payloads targeting the Internal Operations endpoints before they reach the vulnerable software layer.
Mitigation strategies must focus on both immediate containment and long-term resolution. The most effective remediation is applying the latest security patches provided by Oracle for versions 12.2.3 through 12.2.15, which address the underlying code flaws causing the instability. For environments where patching cannot be immediately performed due to change management cycles or testing requirements, network-level mitigations are essential. This includes restricting access to the Internal Operations HTTP endpoints by implementing strict firewall rules that limit source IP addresses to trusted internal networks only. Additionally, deploying a Web Application Firewall with specific signatures for this vulnerability can help block exploit attempts at the perimeter layer. Regular monitoring of system logs for signs of repeated crashes or resource spikes associated with these endpoints will aid in detecting attempted exploitation and assessing the effectiveness of deployed controls until permanent patching is completed.