ZDI-26-452: Dify AI Workflow oauth_redirect_url 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 ZDI has assigned a CVSS rating of 5.4. The following CVEs are assigned: CVE-2026-18266.
AI Analysis
Technical Summary
CVE-2026-18266 is an open redirect vulnerability in the oauth_redirect_url parameter within the AppInitializer component of Dify AI Workflow. This vulnerability enables remote attackers to force redirection to attacker-controlled sites during the OAuth flow, which can lead to disclosure of sensitive information in the context of the application. Exploitation requires user interaction. The vendor has released a patch that appears to mitigate this issue.
Potential Impact
Successful exploitation can lead to disclosure of sensitive information within the application context due to forced redirection to malicious sites. The vulnerability requires user interaction and does not allow privilege escalation or denial of service. The CVSS score assigned is 5.4, indicating a medium severity impact.
Mitigation Recommendations
The vendor has issued an update that appears to address this vulnerability. It is recommended to apply the vendor's patch as referenced in the advisory (https://github.com/langgenius/dify/pull/38864). No additional mitigation steps are specified by the vendor.
ZDI-26-452: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability
Description
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 ZDI has assigned a CVSS rating of 5.4. The following CVEs are assigned: CVE-2026-18266.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18266 is an open redirect vulnerability in the oauth_redirect_url parameter within the AppInitializer component of Dify AI Workflow. This vulnerability enables remote attackers to force redirection to attacker-controlled sites during the OAuth flow, which can lead to disclosure of sensitive information in the context of the application. Exploitation requires user interaction. The vendor has released a patch that appears to mitigate this issue.
Potential Impact
Successful exploitation can lead to disclosure of sensitive information within the application context due to forced redirection to malicious sites. The vulnerability requires user interaction and does not allow privilege escalation or denial of service. The CVSS score assigned is 5.4, indicating a medium severity impact.
Mitigation Recommendations
The vendor has issued an update that appears to address this vulnerability. It is recommended to apply the vendor's patch as referenced in the advisory (https://github.com/langgenius/dify/pull/38864). No additional mitigation steps are specified by the vendor.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-452/","fetched":true,"fetchedAt":"2026-07-23T23:01:58.311Z","wordCount":198}
- Classification
- {"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}
Threat ID: 6a629e189c2644c7f8de3994
Added to database: 07/23/2026, 23:04:56 UTC
Last enriched: 08/15/2026, 05:18:55 UTC
Last updated: 09/04/2026, 14:47:46 UTC
Views: 104
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