# CVE-2026-105899: Adobe ColdFusion unrestricted file upload remote code execution

Source: https://junglewise.ai/threats/cve-2026-105899-coldfusion-is-affected-by-an-unrestricted-upload-of-file-with  
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-2026-105899 · Severity: critical · CVSS 10 · Published 2026-10-13

Adobe ColdFusion is an enterprise application server used to build and deploy web applications. A critical vulnerability allows unauthenticated attackers to upload and execute arbitrary files on the server, leading to complete system compromise with data theft, application manipulation, and service outage.

Technologies: [Adobe ColdFusion 2023](https://junglewise.ai/threats/technologies/coldfusion-2023), [Adobe ColdFusion 2025](https://junglewise.ai/threats/technologies/coldfusion-2025). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-105899 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-105899 being exploited in the wild.

**How severe is CVE-2026-105899?** Critical severity, with a CVSS score of 10, published 13 October 2026.

**Which products and versions are affected?** Adobe ColdFusion 2023 2023.0.25; Adobe ColdFusion 2025 2025.0.13.

**Is there a fix for CVE-2026-105899?** Yes: fixed in ColdFusion 2025 2025.0.14, ColdFusion 2023 2023.0.26. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-105899 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-105899?** Check whether you run Adobe ColdFusion 2023 or Adobe ColdFusion 2025 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 2025.0.14, ColdFusion 2023 2023.0.26

## Technical details

CVE-2026-105899 is an unrestricted file upload vulnerability (CWE-434) in Adobe ColdFusion that permits remote code execution without authentication. An attacker can upload malicious files that are then executed in the context of the ColdFusion application, gaining full code execution capabilities. The vulnerability is network-exploitable with no user interaction required.

## Affected products

- Adobe ColdFusion 2025 2025.0.13
- Adobe ColdFusion 2023 2023.0.25

## Timeline

- 2026-10-13: disclosed
- 2026-10-14: advisory: Adobe APSB26-144 published

## 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 authorization bypass leading to code execution](https://junglewise.ai/threats/cve-2026-75994-coldfusion-is-affected-by-an-incorrect-authorization)
- [Adobe ColdFusion server-side request forgery privilege escalation](https://junglewise.ai/threats/cve-2026-34634-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)
- [Adobe ColdFusion incorrect authorization memory disclosure](https://junglewise.ai/threats/cve-2026-106623-coldfusion-is-affected-by-an-incorrect-authorization)
- [Adobe ColdFusion authorization bypass security feature bypass](https://junglewise.ai/threats/cve-2026-105994-coldfusion-is-affected-by-an-incorrect-authorization)
- [Adobe ColdFusion Server-Side Request Forgery privilege escalation](https://junglewise.ai/threats/cve-2026-105897-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)