{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.7.1"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2e4ae9c5dcc8a759ededdf5e745a2862b4516de2"
            },
            {
              "fixed": "960d736e55cbb9386a68e4ee45f80581fd2a4e32"
            }
          ],
          "repo": "https://github.com/zulip/zulip",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.",
  "id": "CVE-2017-0910",
  "modified": "2026-08-07T11:31:04.490210249Z",
  "published": "2017-11-27T16:29:00.217Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://blog.zulip.org/2017/11/23/zulip-1-7-1-released/"
    },
    {
      "type": "FIX",
      "url": "https://github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}