{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.1.0"
              },
              {
                "fixed": "4.1.2"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "1861a703c1234de44cfd704a9829d68f4b24e65c"
            },
            {
              "fixed": "c529a212390327e6d62620f25e9e1961ccc3c661"
            },
            {
              "fixed": "7f54319279d1ece161ae0b4cdc6f0e58a4045eb5"
            }
          ],
          "repo": "https://github.com/rabbitmq/rabbitmq-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-fh5r-jpm3-fjwp"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-80"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44839.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "3.7.0"
          },
          {
            "fixed": "4.0.13"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13,  This vulnerability is fixed in 4.1.2 and 4.0.13.",
  "id": "CVE-2026-44839",
  "modified": "2026-07-08T05:39:18.649488174Z",
  "published": "2026-05-27T15:07:10.366Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44839.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-fh5r-jpm3-fjwp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44839"
    },
    {
      "type": "FIX",
      "url": "https://github.com/rabbitmq/rabbitmq-server/commit/7f54319279d1ece161ae0b4cdc6f0e58a4045eb5"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "RabbitMQ: Unsanitized vhost names allow for XSS in management UI"
}