CVE-2026-2490 (GCVE-0-2026-2490)
Vulnerability from cvelistv5
Published
2026-02-20 22:24
Modified
2026-02-24 15:16
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
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.
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2490",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-24T15:14:47.878083Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-24T15:16:07.584Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "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": "2026-02-24T15:16:07.584Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-2490\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-24T15:14:47.878083Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-24T15:16:02.686Z\"}}], \"cna\": {\"title\": \"RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability\", \"source\": {\"lang\": \"en\", \"value\": \"mad31k\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_0\": {\"version\": \"3.0\", \"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\"}}], \"affected\": [{\"vendor\": \"RustDesk\", \"product\": \"Client for Windows\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.4.1\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2026-02-19T14:20:43.256Z\", \"references\": [{\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-26-117/\", \"name\": \"ZDI-26-117\", \"tags\": [\"x_research-advisory\"]}, {\"url\": \"https://github.com/rustdesk/rustdesk/pull/13736\", \"name\": \"vendor-provided URL\", \"tags\": [\"vendor-advisory\"]}], \"dateAssigned\": \"2026-02-13T21:13:34.461Z\", \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-59\", \"description\": \"CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"shortName\": \"zdi\", \"dateUpdated\": \"2026-02-20T22:24:43.064Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-2490\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-24T15:16:07.584Z\", \"dateReserved\": \"2026-02-13T21:13:34.414Z\", \"assignerOrgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"datePublished\": \"2026-02-20T22:24:43.064Z\", \"assignerShortName\": \"zdi\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…