CVE-2026-48315 ColdFusion | Improper Input Validation (CWE-20)

Critical 9.3 Published 30 Jun 2026 Updated 27 Aug 2026

Attackers can inject malicious scripts via improper input validation, leading to code execution or account takeover if a victim opens a malicious file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-48315?

CVE-2026-48315 is a critical cross-site scripting vulnerability in Adobe Coldfusion, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Weakness: CWE-20

Which versions are affected by CVE-2026-48315?

It affects 1 product.

Products include Adobe Coldfusion.

How do I fix CVE-2026-48315?

No fix has been published for CVE-2026-48315 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-2026-48315 being exploited?

There is no known exploitation of CVE-2026-48315 in the wild and no public exploit code.

All Adobe Coldfusion vulnerabilities

Sources

Also known as GHSA-xp9f-h8r8-p4j7.