# CVE-2026-105900: Adobe ColdFusion improper input validation denial-of-service

Source: https://junglewise.ai/threats/cve-2026-105900-coldfusion-is-affected-by-an-improper-input-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-105900 · Severity: high · CVSS 7.5 · Published 2026-10-13

Adobe ColdFusion is a server application used to build and deploy web applications. A flaw in input validation could allow an attacker to send malicious requests that crash the application, causing service outages for users who depend on it. No user interaction or special privileges are required to trigger this issue.

Technologies: [Adobe ColdFusion](https://junglewise.ai/threats/technologies/coldfusion). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-105900 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-105900 being exploited in the wild.

**How severe is CVE-2026-105900?** High severity, with a CVSS score of 7.5, published 13 October 2026.

**Which products and versions are affected?** Adobe ColdFusion 2025.0.13, 2023.0.25.

**Is there a fix for CVE-2026-105900?** Yes: fixed in ColdFusion 2025.0.14, 2023.0.26. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-105900 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-105900?** Check whether you run Adobe ColdFusion at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in ColdFusion 2025.0.14, 2023.0.26

## Technical details

The vulnerability is an improper input validation flaw (CWE-20) in ColdFusion that can be exploited over the network without authentication or user interaction to trigger an application denial-of-service condition. An attacker can craft specific inputs that crash the ColdFusion application, making it unavailable. Adobe has released patches for affected versions.

## Affected products

- Adobe ColdFusion 2025.0.13, 2023.0.25

## Timeline

- 2026-10-13: disclosed
- 2026-10-13: patched

## References

- [https://www.adobe.com/trust/security/products/coldfusion/apsb26-144.html](https://www.adobe.com/trust/security/products/coldfusion/apsb26-144.html)

## Related threats

- [Adobe ColdFusion RDS path traversal arbitrary file read](https://junglewise.ai/threats/cve-2026-90530-coldfusion-rds-is-affected-by-an-improper-limitation-of-a)
- [Adobe ColdFusion server-side request forgery privilege escalation](https://junglewise.ai/threats/cve-2026-76001-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)
- [Adobe ColdFusion uncontrolled resource consumption denial-of-service](https://junglewise.ai/threats/cve-2026-75996-coldfusion-is-affected-by-an-uncontrolled-resource-consumption)
- [Adobe ColdFusion improper input validation in administrative component](https://junglewise.ai/threats/cve-2026-75995-coldfusion-is-affected-by-an-improper-input-validation)
- [Adobe ColdFusion server-side request forgery privilege escalation](https://junglewise.ai/threats/cve-2026-75748-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)