Is CVE-2026-27304 actively exploited?

No active exploitation of CVE-2026-27304 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-27304 be exploited remotely?

Partially. CVE-2026-27304 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-27304?

CVE-2026-27304 has a CVSS score of 9.3 (CRITICAL).

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CRITICAL

CVE-2026-27304

CWE-20Published: April 14, 2026· Updated: Apr 16, 2026

9.3

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:17.5th

Official Description

ColdFusion versions 2023.18, 2025.6 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

NVD Source

Technical Analysis

CVE-2026-27304 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.3.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.