CVE-2026-27306
ColdFusion | Improper Input Validation (CWE-20)
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. Attacker requires elevated privileges. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ColdFusion | Improper Input Validation (CWE-20)
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. Attacker requires elevated privileges. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
CVE-2026-27306- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-22734
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. Attacker requires elevated privileges. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
EUVD-2026-22734- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-75q9-6h6m-fmrg
ColdFusion versions 2023.18, 2025.6 and earlier are affected by an Improper Input Validation...
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. Attacker requires elevated privileges. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
GHSA-75q9-6h6m-fmrg- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
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. Attacker requires elevated privileges. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
CVE-2026-27306- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27306 is a high vulnerability (CVSS 8.4) in Adobe Coldfusion, published April 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.