FKIE_CVE-2026-4064

Vulnerability from fkie_nvd - Published: 2026-03-17 20:16 - Updated: 2026-03-18 14:52
Severity ?
8.3 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Summary
Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.
References
security@devolutions.nethttps://devolutions.net/security/advisories/DEVO-2026-0008
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations \u2014 including reading sensitive data, creating or deleting resources, and disrupting service operations \u2014 via crafted gRPC requests."
    },
    {
      "lang": "es",
      "value": "Faltan comprobaciones de autorizaci\u00f3n en m\u00faltiples puntos finales de servicio gRPC en PowerShell Universal antes de la versi\u00f3n 2026.1.4, lo que permite a un usuario autenticado con cualquier token v\u00e1lido eludir los controles de acceso basados en roles y realizar operaciones privilegiadas \u2014 incluyendo la lectura de datos sensibles, la creaci\u00f3n o eliminaci\u00f3n de recursos, y la interrupci\u00f3n de las operaciones del servicio \u2014 mediante solicitudes gRPC manipuladas."
    }
  ],
  "id": "CVE-2026-4064",
  "lastModified": "2026-03-18T14:52:44.227",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 8.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-17T20:16:14.717",
  "references": [
    {
      "source": "security@devolutions.net",
      "url": "https://devolutions.net/security/advisories/DEVO-2026-0008"
    }
  ],
  "sourceIdentifier": "security@devolutions.net",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security@devolutions.net",
      "type": "Secondary"
    }
  ]
}


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