{"id":"CVE-2026-2490","state":"PUBLISHED","title":"RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability","description":"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.","publishedAt":"2026-02-20T22:24:43.064Z","updatedAt":"2026-02-24T15:16:07.584Z","severity":{"score":5.5,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"zdi"},"assigner":"zdi","products":["RustDesk Client for Windows"],"affected":[{"vendor":"RustDesk","product":"Client for Windows","defaultStatus":"unknown","versions":[{"version":"1.4.1","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-26-117/","https://github.com/rustdesk/rustdesk/pull/13736"],"weaknesses":["CWE-59"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2490.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2490","state":"PUBLISHED","datePublished":"2026-02-20T22:24:43.064Z","dateUpdated":"2026-02-24T15:16:07.584Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2026-02-13T21:13:34.414Z"},"containers":{"cna":{"title":"RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability","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."}],"affected":[{"vendor":"RustDesk","product":"Client for Windows","defaultStatus":"unknown","versions":[{"version":"1.4.1","status":"affected"}]}],"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"]}],"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":5.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","lang":"en","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2026-02-20T22:24:43.064Z"},"dateAssigned":"2026-02-13T21:13:34.461Z","datePublic":"2026-02-19T14:20:43.256Z","source":{"lang":"en","value":"mad31k"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-24T15:14:47.878083Z","id":"CVE-2026-2490","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-24T15:16:07.584Z"}}]}}}