CVE-2026-71386 ColdFusion | Cross-site Scripting (XSS) (CWE-79)
An attacker can execute arbitrary code in the context of the current user by tricking a victim into opening a malicious file in Adobe ColdFusion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-71386?
CVE-2026-71386 is a high-severity cross-site scripting vulnerability in Adobe Coldfusion, published on 11 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
is affected by a Cross-site Scripting (XSS) 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. The vulnerable component is restricted to an administrative network zone by default. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
Weakness: CWE-79
Which versions are affected by CVE-2026-71386?
It affects 1 product.
Products include Adobe Coldfusion.
How do I fix CVE-2026-71386?
No fix has been published for CVE-2026-71386 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-71386 being exploited?
There is no known exploitation of CVE-2026-71386 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-gvhj-hqg3-q4qg.