CVE-2023-26360: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

High severity, CVSS 8.6. Actively exploited: in CISA KEV since 2023-03-15. EPSS: 97.3% chance of exploitation in the next 30 days.

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by an Improper Access Control vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Affected products

• Adobe ColdFusion: version 2018 only; version 2021 only

Published 2023-03-23. Last modified 2026-06-17.