CVE-2026-21279 ColdFusion | Improper Input Validation (CWE-20)

High 8.2 Published 11 Aug 2026 Updated 27 Aug 2026

Attackers can bypass security measures to gain unauthorized read and limited write access in Adobe ColdFusion 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-2026-21279?

CVE-2026-21279 is a high-severity vulnerability in Adobe Coldfusion, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read and limited write access. Exploitation of this issue does not require user interaction.

Weakness: CWE-20

Which versions are affected by CVE-2026-21279?

It affects 1 product.

Products include Adobe Coldfusion.

How do I fix CVE-2026-21279?

No fix has been published for CVE-2026-21279 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21279 being exploited?

There is no known exploitation of CVE-2026-21279 in the wild and no public exploit code.

All Adobe Coldfusion vulnerabilities

Sources

Also known as GHSA-h7h3-4972-69f5.