CVE-2026-60797 in Siebel CRM Integration
Summary
by MITRE • 08/19/2026
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Integration 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 • 08/19/2026
The identified vulnerability resides within the REST API component of Oracle Siebel CRM Integration, specifically affecting supported versions ranging from 17.0 through 26.6. This security flaw represents a significant risk to organizations relying on this enterprise resource planning and customer relationship management platform for critical business operations. The core issue stems from insufficient access control mechanisms or improper validation within the RESTful interface, which serves as the primary communication channel between external clients and the Siebel backend systems. Because the vulnerability allows an unauthenticated attacker with network access via HTTPS to compromise the system, it indicates a failure in enforcing authentication requirements at critical endpoints that should be restricted to authorized users only. This type of flaw is commonly associated with broken object level authorization or improper privilege management within web application frameworks.
From a technical perspective, the difficulty of exploitation suggests that while the vulnerability exists and can lead to severe consequences, it may require specific conditions or complex payload construction to trigger successfully. However, the fact that no authentication is required prior to exploitation remains the most critical aspect of this flaw. An attacker positioned on the network path between a client and the Siebel server, or one with direct internet-facing access to the REST endpoints, can potentially bypass security controls entirely. The use of HTTPS does not mitigate this risk because encryption protects data in transit but does not validate the identity or permissions of the requester if the application logic fails to check credentials before processing requests. This aligns with common weaknesses found in web applications where developers assume that network-level security is sufficient, neglecting application-layer access controls.
The operational impact of a successful exploitation is severe, encompassing both confidentiality and integrity violations as indicated by the CVSS 3.1 base score of 7.4. An attacker gaining unauthorized access can create, delete, or modify critical data within the Siebel CRM Integration environment. This capability allows for the alteration of customer records, sales pipelines, service requests, and other sensitive business information, leading to potential financial loss, reputational damage, and regulatory non-compliance. Furthermore, the ability to read all accessible data means that proprietary business intelligence, personal identifiable information, and strategic plans could be exfiltrated. The absence of an availability impact in the CVSS vector suggests that while data integrity and confidentiality are compromised, the system itself may remain operational during such attacks, potentially allowing for prolonged undetected intrusion and data manipulation before detection occurs.
This vulnerability maps directly to several industry-standard classification frameworks. In terms of Common Weakness Enumeration, it likely corresponds to CWE-287 Improper Authentication or CWE-918 Server-Side Request Forgery if the REST endpoint is being abused to interact with internal resources. It also relates closely to CWE-639 Authorization Bypass Through User-Controlled Key if specific identifiers are manipulated to access unauthorized records. Within the MITRE ATT&CK framework, this vulnerability facilitates Initial Access and potentially Privilege Escalation depending on how the compromised account or session is utilized post-exploitation. Attackers could leverage this entry point to establish persistence within the network environment by injecting malicious data that triggers downstream processes in connected systems, thereby expanding their foothold beyond just the Siebel application layer into broader enterprise infrastructure.
Mitigation strategies must prioritize immediate remediation through vendor-provided patches or updates if available for the specific version range affected. Organizations should implement strict access control policies on any internet-facing REST endpoints associated with Siebel CRM Integration, ensuring that only authenticated and authorized users can interact with these APIs. Network segmentation is also critical; placing Siebel systems in a DMZ or restricted network zone limits exposure to untrusted networks. Additionally, deploying Web Application Firewalls configured to detect anomalous REST API behavior can provide an additional layer of defense by blocking requests that lack proper authentication headers or exhibit patterns consistent with automated exploitation attempts. Regular security assessments and penetration testing focused on API endpoints will help identify similar misconfigurations before they are exploited in the wild.