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CVE-2026-9245

Estado: AnalizadaMedia (5)—

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.

This issue affects :

Detalles técnicos trazas, registros y código del informe original
  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0
  *  Devolutions Server 2025.3.20.0 and earlier

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Devolutions — Devolutions Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-9245",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-9245",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-22T16:54:52.601329Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "security@devolutions.net",
      "affectedData": [
        {
          "vendor": "Devolutions",
          "product": "Server",
          "versions": [
            {
              "status": "affected",
              "version": "2026.1.6.0",
              "versionType": "custom",
              "lessThanOrEqual": "2026.1.16.0"
            },
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2025.3.20.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-05-22T16:16:25.400",
  "references": [
    {
      "url": "https://devolutions.net/security/advisories/DEVO-2026-0013/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@devolutions.net"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@devolutions.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier"
    },
    {
      "lang": "es",
      "value": "Validación de entrada incorrecta en el flujo del proveedor de autenticación externo en Devolutions Server permite a un atacante remoto no autenticado redirigir a las víctimas a un dominio controlado por el atacante a través de un enlace de inicio de sesión manipulado.\n\nEste problema afecta a :\n\n  *  Devolutions Server 2026.1.6.0 hasta 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 y anteriores"
    }
  ],
  "lastModified": "2026-07-23T16:10:00.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6E689234-ABCB-49B5-AD17-00C2E2FC3B11",
              "versionEndExcluding": "2025.3.22.0"
            },
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02811CA7-5B80-47D7-B826-18B3CB1213E9",
              "versionEndExcluding": "2026.1.19.0",
              "versionStartIncluding": "2026.1.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@devolutions.net"
}