CVE-2026-71026 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 identified vulnerability resides within the Endeca Application Controller component of Oracle Commerce Guided Search and Oracle Commerce Experience Manager, specifically affecting version 11.4.0. This software suite is designed to provide enterprise-grade search capabilities and content management features for large-scale e-commerce platforms. The flaw represents a critical security deficiency that undermines the fundamental trust model of the application by allowing unauthenticated actors to interact with sensitive backend systems. In modern web architecture, components like Endeca Application Controller often serve as intermediaries between user-facing interfaces and underlying data stores or configuration files. When such an intermediary fails to enforce proper authentication checks on specific endpoints or API calls, it creates a direct pathway for malicious exploitation that bypasses standard access control mechanisms.
The technical nature of this flaw allows an attacker with network access via HTTP to compromise the system without requiring valid credentials. This characteristic classifies the vulnerability as unauthenticated remote code execution or unauthorized data manipulation depending on the specific exploit vector utilized within the application logic. The absence of required authentication tokens, session validation, or IP-based restrictions in certain request handlers enables a low-complexity attack scenario. An attacker can craft malicious HTTP requests that trigger unintended behavior within the Endeca Application Controller, such as executing administrative commands, altering configuration parameters, or directly querying internal data structures. This lack of input validation and access control is a severe deviation from secure coding practices expected in enterprise software solutions.
The operational impact of this vulnerability is profound due to its high severity rating of 9.1 on the CVSS v3.1 scale. The primary consequences involve complete compromise of confidentiality and integrity for all data accessible by Oracle Commerce Guided Search and Experience Manager. Unauthorized creation, deletion, or modification of critical data means that an attacker can alter product listings, pricing information, customer records, or system configurations without detection. Furthermore, the ability to gain unauthorized access to critical data implies a total breach of privacy for any sensitive information processed through these systems, including personally identifiable information and transactional history. The attack vector being network-accessible via HTTP means that this vulnerability can be exploited remotely over the internet, significantly expanding the potential pool of attackers who can leverage it against vulnerable deployments.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication, as the system fails to adequately verify the identity of users attempting to access resources. It also relates closely to CWE-918 Server-Side Request Forgery if the flaw involves manipulating internal requests, or CWE-601 URL Redirection to Untrusted Site if it leads to open redirect issues that facilitate further attacks. In terms of offensive security frameworks, this vulnerability maps directly to MITRE ATT&CK technique T1133 External Remote Services, where attackers leverage exposed services for initial access. Additionally, the ability to modify data corresponds to techniques under T1078 Valid Accounts or more specifically T1496 Resource Hijacking if used for denial of service, though primarily it fits within lateral movement and persistence strategies once inside the network perimeter due to the high level of control granted.
Mitigation requires immediate action from system administrators and security teams responsible for maintaining Oracle Commerce environments. The primary remediation step is to apply the latest patches or updates provided by Oracle that address this specific flaw in version 11.4.0. If patching is not immediately feasible, organizations should implement strict network-level controls such as firewall rules to restrict access to the Endeca Application Controller ports only from trusted internal IP addresses, effectively isolating it from public internet exposure. Additionally, deploying a Web Application Firewall can help filter out malicious HTTP requests that attempt to exploit this vulnerability by identifying patterns associated with unauthenticated administrative actions or anomalous data manipulation attempts. Regular security audits and penetration testing should be conducted to ensure no other similar authentication bypasses exist within the application stack.