CVE-2026-71387 in ColdFusion
Summary
by MITRE • 08/11/2026
ColdFusion is affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. The vulnerable component is restricted to an administrative network zone by default. Exploitation of this issue does not require user interaction.
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Analysis
by VulDB Data Team • 08/12/2026
This vulnerability represents a critical incorrect authorization flaw in Adobe ColdFusion that poses significant security risks to organizations. The vulnerability stems from improper access control mechanisms within the ColdFusion administrator interface, allowing attackers to bypass authentication requirements and execute arbitrary code with the privileges of the current user context. Such flaws typically originate from insufficient input validation, inadequate session management, or flawed privilege checking implementations that enable unauthorized access to administrative functions.
The technical exploitation of this vulnerability occurs through specific attack vectors targeting the ColdFusion administration console, which by default operates within restricted network zones. This restriction provides some mitigation but does not eliminate the risk entirely, as attackers with access to the administrative network zone can leverage the authorization bypass to gain full control over affected systems. The vulnerability's impact extends beyond simple code execution, potentially enabling attackers to manipulate application configurations, access sensitive data, or establish persistent backdoors within the organization's infrastructure.
From an operational perspective, this vulnerability presents a severe threat to enterprise security posture as it allows for automated exploitation without requiring user interaction or specialized knowledge of the target system. The lack of user interaction requirements significantly increases the attack surface and makes this vulnerability particularly dangerous in environments where ColdFusion applications are exposed to untrusted networks. Organizations utilizing ColdFusion in production environments face potential data breaches, service disruption, and compliance violations if this vulnerability remains unaddressed. The administrative network zone restriction provides only limited protection and does not prevent attackers who have gained access to the internal network from exploiting this flaw.
Security mitigations for this vulnerability should prioritize immediate patching of affected ColdFusion versions through official Adobe security updates and hotfixes. Network segmentation strategies must be implemented to further restrict access to ColdFusion administration interfaces, ensuring that only authorized administrative users can reach these critical components. Additional defensive measures include implementing robust network monitoring solutions, configuring firewalls to limit access to administrative ports, and establishing strict access controls for ColdFusion administrator accounts. Organizations should also consider implementing intrusion detection systems that can identify suspicious activities targeting ColdFusion administration interfaces. This vulnerability aligns with CWE-285, which addresses improper authorization issues in software applications, and corresponds to attack techniques found in the MITRE ATT&CK framework under privilege escalation and execution categories.
The exploitation of this vulnerability demonstrates the critical importance of proper access control implementation in enterprise web applications, particularly those handling sensitive business data. Organizations must maintain comprehensive patch management processes and conduct regular security assessments to identify similar authorization flaws across their technology stack. The combination of automated exploitation capabilities with minimal user interaction requirements makes this vulnerability particularly dangerous for organizations that do not maintain strict network segmentation controls or have outdated ColdFusion installations. Regular security training for administrators and implementation of defense-in-depth strategies remain essential components of mitigating risks associated with such critical authorization vulnerabilities in enterprise web platforms.