CVE-2026-105899 ColdFusion | Unrestricted Upload of File with Dangerous Type (CWE-434)
An attacker can upload dangerous files to Adobe ColdFusion to execute arbitrary code without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105899?
CVE-2026-105899 is a critical vulnerability in Adobe Coldfusion, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ColdFusion is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.
Weakness: CWE-434
Which versions are affected by CVE-2026-105899?
It affects 1 product.
Products include Adobe Coldfusion.
How do I fix CVE-2026-105899?
No fix has been published for CVE-2026-105899 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-105899 being exploited?
There is no known exploitation of CVE-2026-105899 in the wild and no public exploit code.
Other vulnerabilities in Adobe Coldfusion
- CVE-2026-48282 Adobe ColdFusion Path Traversal
- CVE-2023-38203 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-29300 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-26359 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2018-15961 Adobe ColdFusion Unrestricted File Upload
Sources
Also known as GHSA-qg77-q924-w96x.