CVE-2026-71020 in Commerce Experience Manager
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Endeca Application Controller). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Commerce Guided Search / Oracle Commerce Experience Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The vulnerability identified within the Oracle Commerce Guided Search and Oracle Commerce Experience Manager products, specifically affecting component versions such as 11.4.0 of the Endeca Application Controller, represents a significant security risk to enterprise e-commerce infrastructures. This flaw is categorized under network-accessible vulnerabilities where an attacker with low privileges can exploit the issue via HTTP protocols. The core technical nature of this vulnerability involves insufficient validation or access control mechanisms within the application controller that processes user requests. While the immediate scope is limited to these specific Oracle Commerce components, the impact extends beyond them due to potential lateral movement or data leakage into interconnected systems, indicating a change in attack scope where compromising one component can lead to broader system compromise.
From an operational perspective, this vulnerability allows for unauthorized access to critical business data and potentially grants complete read access to all accessible information within the Oracle Commerce environment. Furthermore, it permits unauthorized modifications including updates, inserts, or deletions of certain datasets managed by the application. The requirement for human interaction suggests that the exploit likely relies on social engineering tactics, such as phishing links or malicious content delivery through trusted interfaces, which lowers the barrier for initial access but increases reliance on user behavior. This aligns with common attack vectors where trust is abused to bypass automated security controls.
In terms of industry standard classifications, this vulnerability exhibits characteristics consistent with CWE-20 Improper Input Validation and potentially CWE-862 Missing Authorization if privilege escalation occurs post-interaction. The requirement for user interaction places it within the context of ATT&CK technique T1534 Internal Spearphishing or similar social engineering vectors depending on how the malicious payload is delivered. The high confidentiality impact combined with low integrity impact as reflected in the CVSS 3.1 base score of 7.6 underscores that while data theft is the primary concern, data tampering remains a viable secondary outcome for determined attackers.
Mitigation strategies must focus on both technical controls and user awareness training. Administrators should ensure that all Oracle Commerce Guided Search and Experience Manager instances are updated to patched versions provided by Oracle that address these specific flaws in the Endeca Application Controller. Network segmentation is critical to limit HTTP access from untrusted networks, ensuring that only authorized internal users can reach these management interfaces. Additionally, implementing strict input validation on server-side components and enforcing multi-factor authentication for administrative accounts can reduce the risk of successful exploitation even if a user interacts with malicious content. Regular security audits and penetration testing should be conducted to identify similar weaknesses in application logic before they are exploited by adversaries seeking unauthorized data access or modification capabilities.