{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.13.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1d0a3d770e85fd31fc758f880cdc3a74e7d39a34"
            }
          ],
          "repo": "https://github.com/mattermost/desktop",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Mattermost Desktop App versions \u003c=5.13.3 fail to attach listeners restricting navigation to external sites within the Mattermost app which allows a malicious server to expose preload script functionality to untrusted servers via having a user open an external link in their Mattermost server. Mattermost Advisory ID: MMSA-2026-00596",
  "id": "CVE-2026-1628",
  "modified": "2026-03-10T21:51:06.999143941Z",
  "published": "2026-03-02T14:16:23.223Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}