Adobe Dreamweaver Desktop up to 21.6 File authorization

Summaryinfo

A vulnerability, which was classified as critical, was found in Adobe Dreamweaver Desktop up to 21.6. This vulnerability affects unknown code of the component File Handler. The manipulation results in authorization. This vulnerability is known as CVE-2026-21274. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Adobe Dreamweaver Desktop up to 21.6. Affected is some unknown functionality of the component File Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Dreamweaver Desktop versions 21.6 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could leverage this vulnerability to bypass security measures and execute unauthorized code. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2026-21274 since 12/12/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/14/2026).

The vulnerability scanner Nessus provides a plugin with the ID 283674 (Adobe Dreamweaver 21.0 < 21.7 Multiple Vulnerabilities (APSB26-01) (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (283674). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Adobe

Name

• Dreamweaver Desktop

Version

• 21.0
• 21.1
• 21.2
• 21.3
• 21.4
• 21.5
• 21.6

License

• commercial

Website

• Vendor: https://www.adobe.com/

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Once again VulDB remains the best source for vulnerability data.

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