CVE-2026-29101 in SuiteCRM
Summary
by MITRE • 03/20/2026
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, a Denial-of-Service (DoS) vulnerability exists in SuiteCRM modules. Versions 7.15.1 and 8.9.3 patch the issue.
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Analysis
by VulDB Data Team • 03/25/2026
The vulnerability identified as CVE-2026-29101 affects SuiteCRM, a widely-used open-source customer relationship management platform that serves enterprise organizations. This particular flaw represents a denial-of-service condition that can severely impact system availability and operational continuity for organizations relying on SuiteCRM for their business processes. The vulnerability exists across multiple versions of SuiteCRM, specifically affecting versions prior to the security patches released in 7.15.1 and 8.9.3. The affected modules within SuiteCRM are not explicitly detailed in the CVE description, but such vulnerabilities typically manifest in core processing functions that handle user requests and system operations.
The technical nature of this denial-of-service vulnerability stems from insufficient input validation or improper resource handling within the affected SuiteCRM modules. Attackers can exploit this weakness by crafting specific malicious requests or inputs that cause the application to consume excessive system resources, crash processes, or become unresponsive to legitimate user requests. This type of vulnerability falls under the broader category of CWE-400, which encompasses resource exhaustion issues that can lead to service disruption. The flaw likely resides in how the application processes certain data inputs or handles concurrent requests, creating a condition where normal operational flows are interrupted.
The operational impact of this vulnerability extends beyond simple system unavailability, as it can disrupt critical business processes that depend on CRM functionality. Organizations using SuiteCRM for customer management, sales tracking, and marketing automation face potential revenue loss and operational downtime when such denial-of-service conditions occur. The vulnerability affects enterprise-ready applications, meaning that organizations with high transaction volumes and multiple concurrent users are particularly susceptible to service disruption. This type of attack vector aligns with ATT&CK technique T1499, which covers network denial-of-service attacks, and can potentially escalate to more severe impacts if combined with other exploitation techniques.
Security patches released in versions 7.15.1 and 8.9.3 address the root cause of this vulnerability through improved input validation mechanisms and enhanced resource management within the affected modules. Organizations should prioritize upgrading to these patched versions to eliminate the risk of exploitation. System administrators should conduct thorough testing of the updated versions in staging environments before deployment to ensure compatibility with existing workflows and customizations. The remediation process should include monitoring for any unusual resource consumption patterns post-upgrade and implementing additional security controls such as rate limiting and input sanitization measures to further protect against similar vulnerabilities. Regular vulnerability assessments and security audits of CRM systems are essential to maintain robust security postures against evolving threat landscapes.