CVE-2026-18266: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability

Published Jul 23, 2026
·
Updated

Dify AI Workflow oauthredirecturl Open Redirect Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Dify. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the OAuth flow handling in the AppInitializer component. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this vulnerability to disclose information in the context of the application. Was ZDI-CAN-29196.

Affected Software

2 affected components
Dify Dify AI Workflow
LangGenius Dify

Event History

Jul 23, 2026
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Jul 29, 2026
CVE Published
via MITRE·07:05 PM
Data Sourced
via MITRE·07:05 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-18266?

CVE-2026-18266 has a medium severity score of 5.4.

2

How do I fix CVE-2026-18266?

To fix CVE-2026-18266, update Dify AI Workflow to the latest version that addresses this open redirect vulnerability.

3

What type of vulnerability is CVE-2026-18266?

CVE-2026-18266 is an open redirect vulnerability that allows remote attackers to disclose sensitive information.

4

What are the affected software versions for CVE-2026-18266?

Dify AI Workflow and LangGenius Dify installations are affected by CVE-2026-18266.

5

What is required to exploit CVE-2026-18266?

User interaction is required to exploit CVE-2026-18266, as the target must visit a malicious page.

Contact

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