Adobe Dreamweaver Improper Input Validation Vulnerability Allowing Arbitrary File System Write

Vulnerability

A vulnerability exists in Adobe Dreamweaver Desktop versions 21.6 and earlier, related to improper input validation. This issue could lead to arbitrary file system write, allowing attackers to manipulate or inject malicious data into files on the system. Exploitation requires user interaction, as a victim must open a malicious file.

Impact

Exploitation of this vulnerability could result in unauthorized manipulation of files on the user's system, potentially leading to the execution of malicious data or code.

Remediation

Users are advised to update to Adobe Dreamweaver version 21.7. This update is available through the Creative Cloud desktop app updater or via the Dreamweaver Help menu. For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages.

Added: Jan 13, 2026, 9:17 PM
Updated: Jan 13, 2026, 9:17 PM

Vulnerability Rating

Custom Algorithm
spread
5.4
impact
0.6
exploitability
4.4
remediation
7.7
relevance
2.0
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.