rustdesk-api through 2.7 Authorization Bypass via POST /api/sysinfo

{
  "id": "f8017bc29e325311e8ce4272705e983cbc43a1724296eb0d474fa4504982dee7",
  "url": "https://osv.dev/vulnerability/CVE-2026-111324",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rustdesk-api through 2.7 Authorization Bypass via POST /api/sysinfo",
    "summary": "rustdesk-api through 2.7 contains an authorization bypass vulnerability that allows unauthenticated attackers to overwrite existing peer records by supplying only a target device ID to POST /api/sysinfo. Attackers can overwrite hostname, username, OS and uuid without uuid verification, then log in presenting that uuid to rebind the peer to their account.",
    "evidence": "osv:CVE-2026-111324",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-111324",
      "aliases": [
        "CVE-2026-111324"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/lejianwen/rustdesk-api",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "222792419f8b55c17b36bf5f423ec5ed7a53e2c4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.7"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.7",
            "v1.2.0",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111324.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.137443655Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111324.json",
        "https://hackmd.io/@hieuPenguinnn/rustdesk-api-sysinfo-unauth-peer-tamper",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111324",
        "https://www.vulncheck.com/advisories/rustdesk-api-through-2.7-authorization-bypass-via-post-api-sysinfo",
        "https://github.com/lejianwen/rustdesk-api",
        "https://github.com/lejianwen/rustdesk-api/blob/v2.7/http/controller/api/peer.go#L26-L57",
        "https://github.com/lejianwen/rustdesk-api/blob/v2.7/http/router/api.go#L60-L76"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111324.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111324",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 520962,
  "published_at": "2026-10-15T21:43:32.384+00:00"
}