CVE-2026-100364 in SuiteCRM
Summary
by MITRE • 11/05/2026
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to 7.15.2 and 8.10.2, the V8 JSON:API update path fails to remove the id attribute before assigning user-supplied attributes to a SugarBean. The affected flow begins at updateRecord() and uses processAttributes(), id, and ACL_ALLOW_OWNER to carry attacker-controlled data or authorization state into the security-sensitive operation. An authenticated user can substitute a victim record identifier, bypass owner-only authorization, overwrite another record, and hijack record ownership. This issue is fixed in versions 7.15.2 and 8.10.2.
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Analysis
by VulDB Data Team • 11/05/2026
SuiteCRM serves as an open-source enterprise-grade Customer Relationship Management platform widely deployed for managing customer interactions and data. A critical security vulnerability was identified within the V8 JSON:API update path, specifically affecting versions prior to 7.15.2 and 8.10.2. This flaw stems from a failure in input validation logic where the system does not adequately sanitize or remove the id attribute before assigning user-supplied attributes to a SugarBean object. The vulnerability is rooted in how the application processes incoming API requests, allowing an attacker to manipulate internal state variables that should remain immutable during standard update operations.
The technical mechanism of this flaw involves the interaction between several core components within the SuiteCRM architecture. When an authenticated user initiates an update request via the V8 JSON:API, the flow begins at the updateRecord method and proceeds through processAttributes. During this process, the application is supposed to isolate the record identifier from user-controllable input to prevent unauthorized modifications. However, due to the missing removal of the id attribute, attacker-controlled data or authorization state can be injected directly into the security-sensitive operation. This allows the manipulation of internal variables such as ACL_ALLOW_OWNER, which governs access control permissions for specific records.
The operational impact of this vulnerability is severe, primarily manifesting as an Insecure Direct Object Reference combined with Broken Access Control issues. An authenticated attacker can exploit this flaw to substitute a victim record identifier within their request payload. By doing so, the application processes the update against the targeted victim's record rather than the one intended by the user session context. This leads to unauthorized overwriting of data belonging to other users and allows the attacker to hijack record ownership. Essentially, the vulnerability enables privilege escalation where a lower-privileged or standard authenticated user can perform actions reserved for owners or administrators regarding specific records they do not own.
From a classification perspective, this vulnerability aligns with CWE-284 Improper Access Control and CWE-601 URL Redirection to Untrusted Site. It also maps closely to the MITRE ATT&CK technique T1078 Valid Accounts, as it requires initial authentication but then abuses those credentials to access resources outside their authorized scope. The lack of proper separation between user-supplied input and system-managed identifiers represents a fundamental failure in secure coding practices regarding object reference validation.
To mitigate this risk, organizations must upgrade SuiteCRM to version 7.15.2 or later for the legacy branch, or version 8.10.2 and later for the modern V8 API branch. These releases include patches that enforce strict separation of user-supplied attributes from system-managed identifiers like record IDs during the update process. Until an upgrade is performed, administrators should implement web application firewall rules to detect and block anomalous JSON payloads containing unexpected id fields in update requests. Additionally, enforcing principle of least privilege for API endpoints and reviewing access control lists can help limit the blast radius if exploitation occurs. Regular security audits focusing on input validation logic within CRM platforms are recommended to prevent similar direct object reference vulnerabilities.