Dreamweaver
CVE-2026-21272
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could lead to arbitrary file system write. An attacker could leverage this vulnerability to manipulate or inject malicious data into files on the system. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.
AnalysisAI
Dreamweaver Desktop versions 21.6 and earlier suffer from improper input validation that enables arbitrary file writes when a user opens a malicious file. An attacker can exploit this to manipulate or inject malicious content into the victim's file system with broad impact across confidentiality, integrity, and availability. No patch is currently available.
Technical ContextAI
Classified as CWE-20 (Improper Input Validation). Affects Dreamweaver. Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could lead to arbitrary file system write. An attacker could leverage this vulnerability to manipulate or inject malicious data into files on the system. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-20 – Improper Input Validation
View allSame technique Code Injection
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External POC / Exploit Code
Leaving vuln.today