CVE-2026-48315 Adobe CVE debrief

Who should care

Administrators and users of Adobe ColdFusion versions 2025.9, 2023.20 and earlier should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes applying patches, restricting user interaction with potentially malicious files, and monitoring systems for suspicious activity. Security teams and vulnerability management teams should prioritize patching and review compensating controls for exposed systems.

Technical summary

The vulnerability is an Improper Input Validation issue in Adobe ColdFusion versions 2025.9, 2023.20 and earlier. This could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation requires user interaction, as a victim must open a malicious file. The vulnerability has a CVSS score of 9.3 and is considered CRITICAL.

Defensive priority

Organizations using Adobe ColdFusion versions 2025.9, 2023.20 and earlier should prioritize patching to prevent potential arbitrary code execution.

Recommended defensive actions

• Apply patches for Adobe ColdFusion versions 2025.9, 2023.20 and earlier
• Restrict user interaction with potentially malicious files
• Monitor systems for suspicious activity
• Implement compensating controls to limit potential damage
• Review and update asset inventory to identify potentially affected systems
• Track exceptions and retest remediated assets
• Plan for regular security audits and vulnerability assessments

Evidence notes

The CVE record and NVD entry provide details on the Improper Input Validation vulnerability in Adobe ColdFusion. Evidence is based on official CVE and NVD sources. The vulnerability affects Adobe ColdFusion versions 2025.9, 2023.20 and earlier. There is no information on known or unknown affected scope beyond these versions. Defenders should verify if they are using affected versions and review the official advisory for further guidance.

Official resources