Cross-site scripting in ColdFusion - CVE-2026-71386
Published: August 11, 2026
Vulnerability identifier: #VU141430
CSH Severity: Medium
CVSS v4: 4.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-71386
CWE-ID: CWE-79
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to cross-site scripting in ColdFusion when rendering content. A remote attacker can trick the victim into interacting with crafted content to execute arbitrary code.
User interaction is required.
Affected software
ColdFusion
How to mitigate CVE-2026-71386
Install security update from vendor's website.
ColdFusion - addressed in versions 2023 Update 23, 2025 Update 12