{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.1.0"
              },
              {
                "last_affected": "1.3.0"
              },
              {
                "fixed": "1.3.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "07451f0d7e110cf6d31d0e32abedcefcff256d78"
            },
            {
              "fixed": "c8d91f61296019bb0c45f375535de8c93cf26ee1"
            }
          ],
          "repo": "https://github.com/legcord/legcord",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-15"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105294.json"
  },
  "details": "Legcord 1.1.0 through 1.3.0 contains a configuration injection vulnerability that allows script in the Discord page to write any config key via the window.legcord settings.setConfig bridge. Attackers exploiting a Discord XSS can set additionalArguments to persistently add --proxy-server and --ignore-certificate-errors switches, routing all client traffic through an interception proxy.",
  "id": "CVE-2026-105294",
  "modified": "2026-10-07T02:30:42.538595881Z",
  "published": "2026-10-05T00:44:19.284Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105294.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105294"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfig"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Legcord/Legcord/issues/1163"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Legcord/Legcord"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts#L296-L299"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Legcord/Legcord/blob/v1.3.0/src/main.ts#L277-L307"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig"
}