CVE-2026-18266

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 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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.zerodayinitiative.com/advisories/ZDI-26-452/

Configurations

No configuration.

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Dify AI Workflow oauth_redirect_url Vulnerabilidad de Redirección Abierta. Esta vulnerabilidad permite a atacantes remotos divulgar información sensible en instalaciones afectadas de Dify. Se requiere interacción del usuario para explotar esta vulnerabilidad en el sentido de que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. La falla específica existe dentro del manejo del flujo OAuth en el componente AppInitializer. Un atacante puede forzar una redirección a un sitio que sirve contenido malicioso. Un atacante puede aprovechar esta vulnerabilidad para divulgar información en el contexto de la aplicación. Fue ZDI-CAN-29196.

Information

Published : 2026-07-29 20:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-18266

Mitre link : CVE-2026-18266

CVE.ORG link : CVE-2026-18266

JSON object : View

Products Affected

No product.

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2026-18266", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18266", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-29T19:36:10.678708Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "zdi-disclosures@trendmicro.com", "affectedData": [{"vendor": "LangGenius", "product": "Dify", "versions": [{"status": "affected", "version": "1.11.4"}], "defaultStatus": "unknown"}]}], "published": "2026-07-29T20:17:02.730", "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-452/", "source": "zdi-disclosures@trendmicro.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "zdi-disclosures@trendmicro.com", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "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.\n\nThe 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."}, {"lang": "es", "value": "Dify AI Workflow oauth_redirect_url Vulnerabilidad de Redirecci\u00f3n Abierta. Esta vulnerabilidad permite a atacantes remotos divulgar informaci\u00f3n sensible en instalaciones afectadas de Dify. Se requiere interacci\u00f3n del usuario para explotar esta vulnerabilidad en el sentido de que el objetivo debe visitar una p\u00e1gina maliciosa o abrir un archivo malicioso.\n\nLa falla espec\u00edfica existe dentro del manejo del flujo OAuth en el componente AppInitializer. Un atacante puede forzar una redirecci\u00f3n a un sitio que sirve contenido malicioso. Un atacante puede aprovechar esta vulnerabilidad para divulgar informaci\u00f3n en el contexto de la aplicaci\u00f3n. Fue ZDI-CAN-29196."}], "lastModified": "2026-10-24T13:10:00.147", "sourceIdentifier": "zdi-disclosures@trendmicro.com"}