High (8.4) in adobe coldfusion. EPSS 9.5% chance of exploitation in the next 30 days.
ColdFusion versions 2025.4, 2023.16, 2021.22 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. A high privileged attacker could exploit this vulnerability by providing maliciously crafted serialized data to the application. Exploitation of this issue requires user interaction and scope is changed.
Severity
CVSS 3.1
8.4 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS
9.5% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)