{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.4.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5e00bfa5e137e76c81888727712ced2b3fd99f5b"
            }
          ],
          "repo": "https://github.com/tmate-io/tmate",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GovTech CSG",
    "cwe_ids": [
      "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4751.json"
  },
  "details": "NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.",
  "id": "CVE-2026-4751",
  "modified": "2026-07-08T05:39:06.555918331Z",
  "published": "2026-03-24T05:37:44.416Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4751.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4751"
    },
    {
      "type": "FIX",
      "url": "https://github.com/tmate-io/tmate/pull/328"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tmate-io/tmate"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "NULL Pointer Dereference in tmate-io tmate"
}