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2 vulnerabilities found for Client for Windows by RustDesk

CVE-2026-2490 (GCVE-0-2026-2490)

Vulnerability from nvd – Published: 2026-02-20 22:24 – Updated: 2026-02-20 22:24
VLAI?
Title
RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability
Summary
RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-27909.
Severity ?
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
zdi
References
Impacted products
Vendor Product Version
RustDesk Client for Windows Affected: 1.4.1
Create a notification for this product.
Show details on NVD website
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Client for Windows",
          "vendor": "RustDesk",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.1"
            }
          ]
        }
      ],
      "dateAssigned": "2026-02-13T21:13:34.461Z",
      "datePublic": "2026-02-19T14:20:43.256Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-27909."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-20T22:24:43.064Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-26-117",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-117/"
        },
        {
          "name": "vendor-provided URL",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/rustdesk/rustdesk/pull/13736"
        }
      ],
      "source": {
        "lang": "en",
        "value": "mad31k"
      },
      "title": "RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2026-2490",
    "datePublished": "2026-02-20T22:24:43.064Z",
    "dateReserved": "2026-02-13T21:13:34.414Z",
    "dateUpdated": "2026-02-20T22:24:43.064Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-2490 (GCVE-0-2026-2490)

Vulnerability from cvelistv5 – Published: 2026-02-20 22:24 – Updated: 2026-02-20 22:24
VLAI?
Title
RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability
Summary
RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-27909.
Severity ?
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
zdi
References
Impacted products
Vendor Product Version
RustDesk Client for Windows Affected: 1.4.1
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Client for Windows",
          "vendor": "RustDesk",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.1"
            }
          ]
        }
      ],
      "dateAssigned": "2026-02-13T21:13:34.461Z",
      "datePublic": "2026-02-19T14:20:43.256Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-27909."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-20T22:24:43.064Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-26-117",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-117/"
        },
        {
          "name": "vendor-provided URL",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/rustdesk/rustdesk/pull/13736"
        }
      ],
      "source": {
        "lang": "en",
        "value": "mad31k"
      },
      "title": "RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2026-2490",
    "datePublished": "2026-02-20T22:24:43.064Z",
    "dateReserved": "2026-02-13T21:13:34.414Z",
    "dateUpdated": "2026-02-20T22:24:43.064Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}