CVE-2026-62586 in Siebel CRM Administration
Summary
by MITRE • 08/19/2026
Vulnerability in the Siebel CRM Administration product of Oracle Siebel CRM (component: Data Archival). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Administration. While the vulnerability is in Siebel CRM Administration, 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 Siebel CRM Administration accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Data Archival component of Oracle Siebel CRM Administration, specifically affecting supported versions ranging from 25.12 through 26.6. This security flaw represents a critical weakness in the authentication and access control mechanisms governing administrative functions related to data archival operations. The core technical issue allows an unauthenticated attacker who possesses network access via HTTP to exploit this deficiency without requiring any user interaction or prior credentials. By leveraging easily exploitable techniques, the adversary can bypass standard authorization checks that should restrict access to sensitive administrative interfaces and underlying database structures responsible for managing archived records. This lack of proper authentication enforcement creates a direct pathway for unauthorized entities to interact with critical system components that are intended to be protected from external threats.
The operational impact of this vulnerability is severe due to the high confidentiality implications associated with the compromised data. Successful exploitation enables an attacker to gain unauthorized access to critical business data stored within the Siebel CRM environment, which often includes sensitive customer information, transaction histories, and proprietary organizational metrics. The scope change noted in the advisory indicates that while the technical flaw originates in the Administration module, the consequences extend beyond this specific component, potentially impacting additional products integrated with or dependent on the same underlying database architecture. This lateral impact potential amplifies the risk profile significantly, as a breach in one area can lead to widespread data exposure across multiple enterprise applications. The CVSS 3.1 base score of 8.6 reflects the high severity driven primarily by complete access to all Siebel CRM Administration accessible data, which constitutes a catastrophic loss of confidentiality for organizations relying on this platform for customer relationship management and operational continuity.
From a classification perspective, this vulnerability aligns with CWE-287, Improper Authentication, as it involves failing to correctly verify the identity of an actor before granting access to resources. Furthermore, the exploitation method corresponds to MITRE ATT&CK techniques such as T1078 Valid Accounts or potentially T1190 Exploit Public-Facing Application, depending on whether the attacker leverages existing valid credentials through bypass mechanisms or directly exploits the missing authentication check in a public-facing HTTP interface. The network-based nature of the attack vector means that remote adversaries can initiate these attacks from any location with connectivity to the affected system's HTTP port, increasing the likelihood of successful compromise compared to local-only vulnerabilities.
Mitigation strategies must prioritize immediate remediation through vendor-provided patches or updates that address the authentication logic within the Data Archival component. Organizations should ensure their Oracle Siebel CRM instances are updated to a version where this flaw is resolved, strictly adhering to the supported lifecycle policies provided by Oracle. In scenarios where patching cannot be implemented immediately due to operational constraints, compensating controls such as network segmentation and strict firewall rules restricting HTTP access to only trusted internal IP ranges can reduce the attack surface. Additionally, implementing Web Application Firewalls with specific rule sets designed to detect anomalous authentication bypass attempts or malformed requests targeting administrative endpoints may provide an additional layer of defense against exploitation until permanent fixes are deployed. Continuous monitoring for unusual data archival activities and unauthorized access logs is also recommended to detect potential breaches early in the kill chain.