CVE-2026-18266

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