CVE-2026-27306
8.4Adobe · ColdFusion
Adobe ColdFusion 2023 and 2025 contain an improper input validation vulnerability that allows for arbitrary code execution in the context of the current user.
Executive summary
Adobe ColdFusion contains an improper input validation vulnerability that could allow an authenticated attacker with elevated privileges to achieve arbitrary code execution.
Vulnerability
This vulnerability is caused by improper input validation, which can be leveraged to achieve arbitrary code execution. The attack requires the user to have elevated privileges and involves the interaction of a victim opening a malicious file.
Business impact
The potential for arbitrary code execution poses a severe risk to organizational infrastructure, as it could allow an attacker to gain full control over the affected server. With a CVSS score of 8.4, this high severity vulnerability could lead to significant data breaches, unauthorized system access, or complete service disruption, impacting the integrity and availability of critical business applications.
Remediation
Immediate Action: Update Adobe ColdFusion 2025 to version 7 or later, and Adobe ColdFusion 2023 to version 19 or later.
Proactive Monitoring: Monitor server logs for suspicious file execution patterns or unexpected administrative actions performed by elevated accounts.
Compensating Controls: Ensure strict access controls are in place to limit administrative access to authorized personnel only, and implement file integrity monitoring to detect unauthorized modifications.
Exploitation status
Public Exploit Available: exploit_available (false)
Analyst recommendation
Given the high CVSS score and the potential for arbitrary code execution, this vulnerability represents a significant security risk. Administrators should prioritize the application of the vendor provided updates to versions 2025.7 and 2023.19 immediately to mitigate the possibility of exploitation.