Input validation error in ColdFusion - CVE-2026-47931
Published: June 9, 2026
Vulnerability identifier: #VU134048
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-47931
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper input validation in ColdFusion when handling requests from an adjacent network. A remote privileged user can send a specially crafted request to execute arbitrary code.
Affected software
ColdFusion
How to mitigate CVE-2026-47931
Install security update from vendor's website.
ColdFusion - addressed in versions 2023 Update 20, 2025 Update 9