{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "7.8.0"
              },
              {
                "last_affected": "7.8.3"
              },
              {
                "introduced": "7.9.0"
              },
              {
                "last_affected": "7.9.2"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "7.10.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "f14c24391ca84740d90a29ec8b67579326eaa236"
            },
            {
              "last_affected": "bfaf0fd3d8434d403c61556eb2dd1be0d9965071"
            },
            {
              "introduced": "c4d8c1450ab2b9538bbc2690ca1ee865567a5888"
            },
            {
              "last_affected": "2a75f997ee6cbff3047b7215073d1659ea1f98c0"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "5b33575d571469115f29720530ff5b53a6cb7de5"
            }
          ],
          "repo": "https://github.com/mattermost/mattermost-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.\n\n",
  "id": "CVE-2023-2793",
  "modified": "2026-03-13T21:48:17.244952607Z",
  "published": "2023-06-16T10:15:09.270Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://mattermost.com/security-updates/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}