CVE-2026-62512 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. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 due to its high severity and broad impact potential. The core technical issue allows for an easily exploitable attack vector that requires only low-privileged access over the network via HTTP, eliminating the need for complex exploitation techniques or user interaction. This simplicity in execution significantly lowers the barrier to entry for malicious actors seeking to compromise these systems.
From a technical perspective, the vulnerability enables unauthorized entities to achieve complete control over the Siebel CRM Cloud Applications environment. The attack vector is classified as network-accessible with low complexity and requires no user interface involvement, indicating that automated tools can readily exploit this flaw once initial access or authentication credentials are obtained at a lower privilege level. The presence of HTTP rather than HTTPS in the description suggests potential issues related to encryption integrity or protocol handling within the management component, although the primary concern is the resulting state change allowed by the vulnerability itself.
The operational impact of this vulnerability is severe, characterized by a complete compromise of confidentiality, integrity, and availability. A successful exploitation leads directly to the takeover of Siebel CRM Cloud Applications, granting attackers full administrative control over the system. This level of access allows for the exfiltration of sensitive customer data, modification or deletion of critical business records, and disruption of services essential to organizational operations. The scope change noted in the vulnerability description indicates that while the flaw is technically located within Siebel CRM, its exploitation can cascade into additional products connected to or dependent on this platform, thereby expanding the blast radius beyond a single application instance.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management and CWE-78 OS Command Injection if command execution is involved in the takeover process, though the specific mechanism is not detailed here. The attack pattern corresponds to MITRE ATT&CK techniques involving Initial Access via valid accounts or privilege escalation followed by Lateral Movement across connected systems due to the scope change effect. The high availability impact also relates to CWE-200 Information Exposure and potential denial of service conditions resulting from system instability after compromise.
Mitigation strategies must prioritize immediate patching of all affected Siebel CRM Cloud Applications versions within the 22.3 to 26.6 range. Organizations should verify their current deployment version against Oracle’s latest security advisories and apply provided patches without delay. In addition to software updates, implementing strict network segmentation is crucial to limit lateral movement capabilities in case a breach occurs. Enforcing multi-factor authentication for all administrative accounts can reduce the risk of low-privileged attackers gaining sufficient foothold to exploit this vulnerability further. Regular auditing of access logs and monitoring for anomalous behavior related to Siebel Cloud Manager components will aid in early detection of exploitation attempts.