CVE-2026-61341 in Siebel CRM Cloud Applications
Summary
by MITRE • 08/19/2026
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications, affecting supported versions ranging from 22.3 through 26.6. This security flaw represents a critical risk to enterprise customer relationship management infrastructure, as it allows for unauthorized access and potential system compromise without requiring user interaction or high-level privileges. The vulnerability is classified with a CVSS 3.1 Base Score of 8.8, indicating a High severity level that demands immediate attention from security operations teams responsible for maintaining the integrity and availability of these cloud-based services.
From a technical perspective, this flaw enables an attacker to achieve complete takeover of the Siebel CRM Cloud Applications environment. The exploitability characteristics are particularly concerning because they require only low-privileged access and network connectivity via HTTP protocols. This means that any authenticated user with minimal permissions who can reach the application over the network can leverage this vulnerability to escalate their privileges or execute arbitrary actions within the system. The absence of a requirement for user interface interaction further lowers the barrier to entry, allowing for automated exploitation by malicious actors targeting exposed endpoints.
The operational impact of successfully exploiting this vulnerability is severe and multifaceted, encompassing breaches in confidentiality, integrity, and availability as reflected in the CVSS vector components C:H, I:H, and A:H. Attackers who gain control over the Siebel CRM Cloud Applications can exfiltrate sensitive customer data, modify critical business records to disrupt operations or commit fraud, and potentially render the service unavailable to legitimate users through denial-of-service techniques or system destabilization. Given that Siebel CRM often houses mission-critical sales, marketing, and support data, such a compromise could lead to significant financial loss, regulatory penalties under frameworks like GDPR or CCPA, and irreversible damage to corporate reputation.
In terms of industry-standard classification systems, this vulnerability aligns with CWE-269 Improper Privilege Management, as it allows low-privileged users to perform actions beyond their intended scope. It also maps closely to MITRE ATT&CK techniques related to Initial Access via valid accounts and Lateral Movement within the cloud environment, specifically leveraging HTTP-based protocols for exploitation. The ease of exploitation combined with the high impact underscores a failure in proper access control mechanisms or input validation within the Siebel Cloud Manager component, allowing attackers to bypass expected security boundaries effectively.
Mitigation strategies must prioritize immediate patching by Oracle for all affected versions between 22.3 and 26.6. Organizations should verify their current deployment version against this list and apply the latest security updates provided by Oracle as soon as they are available. In addition to applying patches, administrators should enforce strict network segmentation policies to limit HTTP access to only necessary internal subnets or VPN connections rather than exposing these endpoints directly to the public internet where possible. Implementing Web Application Firewalls with rules specifically tuned for Siebel CRM traffic patterns can also help detect and block exploitation attempts while patch management processes are underway.
Furthermore, security teams should review existing user accounts to ensure that no unnecessary low-privileged users have direct network access to the Siebel Cloud Manager interface. Principle of least privilege must be rigorously applied so that only essential personnel with specific business needs retain access rights. Multi-factor authentication should be enforced for all administrative and privileged accounts associated with the CRM platform to add an additional layer of defense against credential-based attacks that might precede exploitation of this vulnerability. Continuous monitoring using SIEM solutions configured to alert on anomalous HTTP requests or privilege escalation events is recommended to detect potential compromise attempts in real time.