FKIE_CVE-2026-1731

Vulnerability from fkie_nvd - Published: 2026-02-06 22:16 - Updated: 2026-02-17 13:40
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.
References
13061848-ea10-403d-bd75-c83a022c2891https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293Permissions Required
13061848-ea10-403d-bd75-c83a022c2891https://www.beyondtrust.com/trust-center/security-advisories/bt26-02Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/win3zz/CVE-2026-1731Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731US Government Resource
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731Third Party Advisory
Impacted products
Vendor Product Version
beyondtrust privileged_remote_access *
beyondtrust remote_support *
To clipboard 

{
  "cisaActionDue": "2026-02-16",
  "cisaExploitAdd": "2026-02-13",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:beyondtrust:privileged_remote_access:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A82D26FE-8791-41BC-A71B-4C2FEB81C41C",
              "versionEndExcluding": "25.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "178845B4-26D3-4C94-AED9-1C847B9357F1",
              "versionEndExcluding": "25.3.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user."
    },
    {
      "lang": "es",
      "value": "BeyondTrust Remote Support (RS) y ciertas versiones anteriores de Privileged Remote Access (PRA) contienen una cr\u00edtica vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo de pre-autenticaci\u00f3n. Al enviar solicitudes especialmente dise\u00f1adas, un atacante remoto no autenticado podr\u00eda ejecutar comandos del sistema operativo en el contexto del usuario del sitio."
    }
  ],
  "id": "CVE-2026-1731",
  "lastModified": "2026-02-17T13:40:10.320",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.9,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "13061848-ea10-403d-bd75-c83a022c2891",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-06T22:16:11.020",
  "references": [
    {
      "source": "13061848-ea10-403d-bd75-c83a022c2891",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article\u0026sysparm_article=KB0023293"
    },
    {
      "source": "13061848-ea10-403d-bd75-c83a022c2891",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.beyondtrust.com/trust-center/security-advisories/bt26-02"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/win3zz/CVE-2026-1731"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731"
    }
  ],
  "sourceIdentifier": "13061848-ea10-403d-bd75-c83a022c2891",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "13061848-ea10-403d-bd75-c83a022c2891",
      "type": "Secondary"
    }
  ]
}


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