CVE-2026-83193 in Siebel Apps
Summary
by MITRE • 09/16/2026
Vulnerability in the Siebel Apps - Life Sciences product of Oracle Siebel CRM (component: Life Sciences). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel Apps - Life Sciences executes to compromise Siebel Apps - Life Sciences. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Life Sciences. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Oracle Siebel CRM Life Sciences component, affecting supported versions ranging from 17.0 through 26.7. This security flaw represents a significant risk to organizations relying on this enterprise customer relationship management platform for managing life sciences data and operations. The core issue stems from an easily exploitable defect that allows an attacker with low privileges who has already established logon access to the infrastructure hosting Siebel Apps - Life Sciences to compromise the application's integrity, confidentiality, or availability. This classification indicates that while initial network-level exploitation is not required due to the local privilege requirement, the barrier for entry remains relatively low once an account exists within the system environment.
From a technical perspective, this vulnerability aligns with CWE-200, which covers exposure of sensitive information to unauthorized actors, and potentially CWE-79 if cross-site scripting elements are involved in the exploitation chain, although the specific vector suggests broader impact on confidentiality, integrity, and availability as indicated by the high CVSS scores. The attack complexity is rated as low, meaning that specialized or difficult-to-execute conditions are not necessary for a successful exploit. However, the requirement for human interaction introduces a social engineering component, where an attacker must manipulate a user other than themselves into performing an action that triggers the vulnerability. This characteristic places it within the MITRE ATT&CK framework under techniques involving User Execution, such as T1204 or similar vectors depending on whether phishing links or malicious file execution is utilized to trigger the flaw.
The operational impact of this vulnerability is severe, with a CVSS 3.1 Base Score of 7.3 indicating High severity. The vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H) reveals that all three pillars of the security triad are heavily impacted. Confidentiality is compromised at a high level, suggesting that sensitive life sciences data, including patient records or proprietary research information stored within Siebel, can be accessed by unauthorized parties. Integrity is also affected highly, meaning an attacker could alter critical business logic, customer interactions, or regulatory compliance reports without detection. Furthermore, availability impacts are rated as high, implying the vulnerability may lead to denial of service conditions that disrupt access to essential CRM functionalities for life sciences operations.
Mitigation strategies must focus on both immediate remediation and long-term architectural hardening. Oracle has likely released patches addressing this specific flaw in subsequent updates within the 17.0-26.7 version range, making patch management the primary defense. Organizations should prioritize applying these security updates to all affected instances immediately. Additionally, since exploitation requires low privileged access combined with human interaction, enforcing strict least privilege principles is critical. Administrators should review user accounts to ensure that only necessary personnel have logon capabilities and that multi-factor authentication is enabled for all users accessing the infrastructure. Security awareness training should also be implemented to educate staff on recognizing social engineering attempts that could lead to triggering this vulnerability. Regular audits of access logs can help detect anomalous behavior indicative of exploitation attempts, allowing for rapid incident response before significant data loss or system compromise occurs.