ACTIVELY EXPLOITED

CVE-2018-4939: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

Facts
VendorAdobe
ProductColdFusion
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline3 May 2022
Weakness (CWE)CWE-502

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could allow for code execution.

SOURCES

Other Adobe flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.