CVE-2026-21267CWE-78command-injection

CVE-2026-21267

High · published January 14, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
57.1
In the wild
Unconfirmed
What it is

⚡ Opening a malicious file in Dreamweaver could let attackers run code on your system — and it only takes one click! 🔥 Think of it like a restaurant serving a dish with a hidden ingredient that could cause chaos in the kitchen. If the chef isn't careful to check what's in their pot (or in this case, the file), things can spiral out of control! An attacker could execute arbitrary code, potentially compromising your system — imagine someone taking control of the kitchen and serving whatever they want, including a side of data theft! This vulnerability puts you at serious risk, especially if you’re handling sensitive projects.

Put simply

Think of it like a restaurant serving a dish with a hidden ingredient that could cause chaos in the kitchen. If the chef isn't careful to check what's in their pot (or in this case, the file), things can spiral out of control! This CVE in Dreamweaver versions 21.6 and earlier allows for OS command injection due to improper neutralization of special elements, meaning the application might incorrectly process malicious inputs from the user.

What to do

An attacker could execute arbitrary code, potentially compromising your system — imagine someone taking control of the kitchen and serving whatever they want, including a side of data theft! This vulnerability puts you at serious risk, especially if you’re handling sensitive projects. To protect yourself, patch to the latest version of Dreamweaver immediately. Ensure that any files you open come from trusted sources, and consider implementing additional file validation practices to help guard against similar attacks. You've got this! Follow these steps and you'll keep your system safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00830 · 57.1th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-01-14T00:16Z
Affected products (1)
ProductVersionsFixed in
adobe/dreamweaver< 21.721.7
References (1)
EPSS history
Timeline
  • 13 JAN 18:25Z
    Dreamweaver Desktop | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)
    cvelistv5