CVE-2026-71015 in Guided Search
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 unauthenticated attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The vulnerability identified in Oracle Commerce Guided Search, specifically within the Endeca Application Controller component of version 11.4.0, represents a critical security flaw that allows for unauthorized access and manipulation of system data without requiring any form of authentication. This defect is categorized under CWE-287, which denotes Improper Authentication, as it permits an attacker to bypass standard identity verification mechanisms. The affected software component serves as the core engine for managing search experiences and content delivery within Oracle Commerce environments, making its compromise particularly severe due to the sensitivity of the data typically processed by such systems.
An unauthenticated attacker with network access via HTTP can exploit this vulnerability to gain significant control over the application. Because no user interaction or prior authentication is required, the attack vector is straightforward and highly efficient. The attacker simply needs to send crafted requests through standard web protocols to interact directly with vulnerable endpoints within the Endeca Application Controller. This lack of necessary security checks allows malicious actors to bypass traditional perimeter defenses that rely on credential validation for access control.
The operational impact of this vulnerability is substantial, encompassing both confidentiality and integrity breaches as indicated by a CVSS 3.1 Base Score of 9.1. Successful exploitation enables the attacker to create, delete, or modify critical data within the Oracle Commerce Guided Search system. This capability extends to all accessible data managed by Oracle Commerce Experience Manager, effectively granting complete control over the content and configuration stored in these systems. The high confidentiality impact suggests that sensitive business logic, customer data, or proprietary search algorithms could be exfiltrated, while the high integrity impact indicates that an attacker can alter product listings, pricing information, or other critical commerce elements to deceive users or disrupt operations.
From a tactical perspective, this vulnerability aligns with ATT&CK technique T1078, Valid Accounts, although in this case, it involves gaining access without valid credentials due to the authentication bypass flaw. It also relates to T1530, Data from Cloud Storage Object Exfiltration if sensitive data is accessed and removed, or T1496, Host-Based Endpoint Denial of Service if deletion activities are performed to disrupt service availability. The ability to modify critical data further maps to techniques involving configuration changes that can persistently alter system behavior for malicious purposes.
Mitigation strategies must prioritize immediate patching by Oracle Commerce Guided Search and Experience Manager administrators to the latest secure version provided by Oracle, which addresses the authentication bypass in the Endeca Application Controller. In scenarios where patching is not immediately feasible, network-level controls should be implemented to restrict HTTP access to the affected components strictly from trusted IP ranges or internal networks only. Additionally, deploying a Web Application Firewall with rules specifically designed to detect and block anomalous requests targeting unauthenticated endpoints can provide an additional layer of defense against exploitation attempts until the underlying software defect is resolved.