CVE-2026-48283 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 reviewing and updating inventory of Adobe ColdFusion installations, implementing compensating controls, and prioritizing patching to prevent potential arbitrary code execution.

Technical summary

The vulnerability is an Unrestricted Upload of File with Dangerous Type in Adobe ColdFusion, which could result in arbitrary code execution in the context of the current user. Exploitation does not require user interaction. The vulnerability affects Adobe ColdFusion versions 2025.9, 2023.20, and earlier. To mitigate the risk, it is essential to review and update the inventory of Adobe ColdFusion installations, implement compensating controls, and prioritize patching. The CVE record and NVD entry provide details on the vulnerability, and defenders should verify the patch status of their deployments and review compensating controls.

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.
• Review and update inventory of Adobe ColdFusion installations.
• Implement compensating controls to monitor and restrict file uploads.
• Review relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and NVD entry provide details on the Unrestricted Upload of File with Dangerous Type vulnerability in Adobe ColdFusion. Evidence is based on official records from CVE.org and the NVD. The vulnerability affects Adobe ColdFusion versions 2025.9, 2023.20 and earlier. There is no user interaction required for exploitation. Defenders should verify the patch status of their deployments and review compensating controls.

Official resources