CVE-2026-18266

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Dify", "vendor": "LangGenius", "versions": [{"status": "affected", "version": "1.11.4"}]}], "source": "zdi-disclosures@trendmicro.com"}], "cveTags": [], "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."}], "id": "CVE-2026-18266", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18266", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T19:36:10.678708Z", "version": "2.0.3"}}]}, "published": "2026-07-29T20:17:02.730", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-452/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "zdi-disclosures@trendmicro.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.11.4"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Dify", "source": "cna", "vendor": "LangGenius"}, "product": "dify", "vendor": "langgenius"}], "created": "2026-07-29T20:45:06.307738+00:00", "updated": "2026-08-03T13:00:07.223206+00:00", "vendors": ["langgenius", "langgenius$PRODUCT$dify"]}