Adobe ColdFusion up to 2023.18/2025.6 File input validation

Summaryinfo

A vulnerability identified as critical has been detected in Adobe ColdFusion up to 2023.18/2025.6. The impacted element is an unknown function of the component File Handler. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2026-27306. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe ColdFusion up to 2023.18/2025.6. It has been classified as critical. This affects some unknown functionality of the component File Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2026-27306 since 02/18/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Programming Language Software

Vendor

• Adobe

Name

• ColdFusion

Version

• 2023.0
• 2023.1
• 2023.2
• 2023.3
• 2023.4
• 2023.5
• 2023.6
• 2023.7
• 2023.8
• 2023.9
• 2023.10
• 2023.11
• 2023.12
• 2023.13
• 2023.14
• 2023.15
• 2023.16
• 2023.17
• 2023.18
• 2025.0
• 2025.1
• 2025.2
• 2025.3
• 2025.4
• 2025.5
• 2025.6

License

• commercial

Website

• Vendor: https://www.adobe.com/

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