{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:apache:activemq:5.19.7:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:activemq:6.2.6:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "5.19.7"
              },
              {
                "last_affected": "5.19.7"
              },
              {
                "introduced": "6.2.6"
              },
              {
                "last_affected": "6.2.6"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "fa56d21ff2d14b99928917cc0bef2e8830acf15f"
            },
            {
              "last_affected": "bb9523b9847fe235a971256fec7ce6bb5670d14d"
            }
          ],
          "repo": "https://github.com/apache/activemq",
          "type": "GIT"
        }
      ],
      "versions": [
        "5.19.7",
        "6.2.6"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50750.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "introduced": "5.19.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.2.6"
          },
          {
            "fixed": "6.2.7"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.\n\nFollowing the fix for  CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM.\nThis issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7.\n\nUsers are recommended to upgrade to version 6.2.7, which fixes the issue.",
  "id": "CVE-2026-50750",
  "modified": "2026-07-15T01:49:00.200403790Z",
  "published": "2026-06-30T09:51:57.035Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://repo.maven.apache.org/maven2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50750.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50750"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270"
}