Is CVE-2026-27304 in the CISA KEV catalog?

No. CVE-2026-27304 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2026-27304 has a CVSS v3 base score of 9.3 (CRITICAL).

What is the EPSS score for CVE-2026-27304?

CVE-2026-27304 has an EPSS score of 4.05% (89th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-27304

CRITICALEPSS 89th pctl

9.3

CVSS v3

NVD

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.

CWE-20Improper Input Validation

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Exploit Intelligence

4.05%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

https://helpx.adobe.com/security/products/coldfusion/apsb26-38.html

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.