CVE-2026-46943 in Retail EFTLink
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Retail EFTLink product of Oracle Retail Applications (component: Core/Plugin). Supported versions that are affected are 21.0.0-25.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Retail EFTLink. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Retail EFTLink accessible data as well as unauthorized access to critical data or complete access to all Oracle Retail EFTLink accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within Oracle Retail EFTLink, a critical component of Oracle Retail Applications designed for electronic funds transfer processing and payment handling. The affected versions span from 21.0.0 through 25.0.0, indicating a substantial release window where organizations utilizing these retail applications remain exposed to potential exploitation. The vulnerability specifically impacts the Core/Plugin component architecture, suggesting that malicious actors could target fundamental application modules rather than isolated features. This represents a significant concern for retail environments where payment processing systems handle sensitive financial data and transactional information.
The technical flaw manifests as a security weakness that permits unauthenticated attackers to exploit network-based vulnerabilities through HTTPS protocols. The CVSS 3.1 scoring system assigns this vulnerability a base score of 7.4, classified as high severity, with both confidentiality and integrity impacts rated as high. The attack vector AV:N indicates network accessibility, meaning adversaries do not require physical access or prior authentication to attempt exploitation. The high attack complexity AC:H suggests that while the vulnerability requires some technical skill to exploit, it is not overly complicated for determined threat actors. The absence of privilege requirements PR:N and user interaction UI:N further compounds the risk, as no credential validation or user engagement is necessary for successful compromise.
The operational impact of this vulnerability extends beyond simple data breaches, providing attackers with the capability to create, delete, or modify critical data within the Oracle Retail EFTLink environment. This comprehensive access level allows adversaries to fundamentally alter payment processing workflows, manipulate transaction records, and potentially disrupt entire retail payment ecosystems. The potential for unauthorized access to critical data or complete system access represents a severe threat to retail operations, particularly given that EFTLink systems typically process sensitive financial transactions and customer payment information. Organizations utilizing these applications could face significant financial losses, regulatory penalties, and operational disruptions if exploited successfully.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-287 (Improper Authentication) and potentially CWE-312 (Sensitive Data Exposure) categories, demonstrating how authentication failures can lead to comprehensive system compromise. The ATT&CK framework would categorize this under T1190 (Exploit Public-Facing Application) and potentially T1071.004 (Application Layer Protocol: DNS) if exploitation involves protocol manipulation. Organizations should immediately implement network segmentation controls, deploy robust intrusion detection systems, and ensure all affected versions are patched through official Oracle security updates. Additionally, monitoring for unusual access patterns or unauthorized data modifications within EFTLink systems becomes critical for early threat detection. The vulnerability's exposure window across multiple major releases emphasizes the importance of comprehensive patch management strategies and regular security assessments to prevent exploitation across the entire Oracle Retail Applications portfolio.
This vulnerability represents a significant risk to retail payment infrastructures, particularly given the potential for both data modification and complete system access. The combination of network accessibility, lack of authentication requirements, and high impact potential creates an environment where successful exploitation could result in substantial business disruption. Organizations should prioritize immediate remediation efforts while implementing additional security controls to protect against similar vulnerabilities in their broader technology ecosystems.