CVE-2026-113696 in IT Service Management Suite
Summary
by MITRE • 10/29/2026
Improper authorization in the SmartIT change approval feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 allows authenticated users to make unauthorized changes to approval state and bypass intended approval restrictions.
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Analysis
by VulDB Data Team • 10/29/2026
The vulnerability identified in the SmartIT change approval feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 represents a critical failure in access control mechanisms within enterprise service management platforms. This flaw is classified under CWE-862, which denotes Missing Authorization, indicating that the application fails to properly verify whether an authenticated user has the requisite permissions for specific actions before executing them. In the context of IT Service Management (ITSM), change approval workflows are foundational to maintaining system stability and operational integrity. These workflows ensure that modifications to production environments undergo rigorous review by designated stakeholders, such as technical leads, risk managers, or compliance officers, before implementation. The absence of proper authorization checks in this specific module undermines the entire governance framework established for managing changes, allowing individuals with valid credentials but insufficient privileges to manipulate critical workflow states without oversight.
Technically, the vulnerability stems from an improper enforcement of role-based access control (RBAC) policies within the change approval logic. When a user interacts with the SmartIT interface or its underlying application programming interfaces to modify the state of a change request, such as moving it from pending review to approved status, the system does not adequately validate that the requesting entity holds the specific authorization roles required for this transition. This allows authenticated users who are typically restricted to viewing information or initiating requests to escalate their privileges effectively by altering the approval chain. The flaw likely resides in server-side validation logic where session tokens or user context attributes are either ignored, incorrectly parsed, or insufficiently checked against a central policy engine during state transitions. Consequently, an attacker can bypass intended restrictions that would normally prevent unauthorized approvals, such as requiring multiple levels of sign-off for high-risk changes or restricting approval rights to specific managerial tiers.
The operational impact of this vulnerability is severe and multifaceted, affecting the confidentiality, integrity, and availability aspects of IT operations. By allowing unauthorized users to approve change requests, the organization risks deploying unvetted code, configuration changes, or infrastructure modifications that may introduce instability, security breaches, or performance degradation into production environments. This bypasses essential quality assurance gates designed to catch errors before they impact end-users. Furthermore, it creates a significant audit and compliance gap. Regulatory frameworks such as SOX, HIPAA, or ISO 27001 require strict controls over who can authorize changes to critical systems. The ability for unauthorized users to alter approval states means that audit trails may reflect approvals from legitimate authorities when they were actually performed by lower-privileged accounts, leading to false compliance reporting and potential legal liabilities. In a worst-case scenario, this could facilitate lateral movement within the network if an attacker uses approved change requests to deploy malicious scripts or backdoors under the guise of routine maintenance activities authorized by compromised or low-level service accounts.
From a threat modeling perspective, this vulnerability aligns with MITRE ATT&CK technique T1078, Valid Accounts, specifically in the context of using legitimate credentials to bypass security controls through privilege escalation via authorization flaws. It also relates to T1496, Resource Hijacking, if the unauthorized changes lead to resource consumption or disruption. The attack vector is typically remote and requires only valid authentication, making it accessible to any insider threat with basic access or an external attacker who has compromised a low-privileged user account through phishing or credential stuffing attacks. This lowers the barrier for exploitation significantly compared to vulnerabilities requiring unauthenticated access or complex privilege escalation chains involving kernel exploits.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. The primary defense is applying the vendor-provided security patches that correct the authorization logic in the SmartIT change approval module. Organizations should prioritize updating BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 to their latest secure releases as soon as possible. In addition to patching, administrators should implement strict role-based access controls ensuring that only users with explicitly defined approval roles can interact with the change approval endpoints. This includes reviewing existing user permissions to remove excessive privileges from general staff members who do not require approval authority. Network segmentation and web application firewalls (WAFs) configured with rules targeting abnormal patterns in API calls related to state changes can provide an additional layer of detection for exploitation attempts. Furthermore, enhancing audit logging capabilities to capture detailed information about who initiated change approvals and verifying these logs against expected user roles will help in detecting any ongoing abuse or past unauthorized activities. Regular security assessments focusing on access control logic are essential to prevent similar authorization bypasses in other modules of the ITSM suite.