{"api_version":"1","generated_at":"2026-07-01T03:01:53+00:00","cve":"CVE-2026-50750","urls":{"html":"https://cve.report/CVE-2026-50750","api":"https://cve.report/api/cve/CVE-2026-50750.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-50750","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-50750"},"summary":{"title":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270","description":"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.","state":"PUBLISHED","assigner":"apache","published_at":"2026-06-30 11:16:29","updated_at":"2026-06-30 14:16:27"},"problem_types":["CWE-400","Denial of Service via Out of Memory","CWE-400 CWE-400 Uncontrolled Resource Consumption"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr","name":"https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-50750","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50750","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ Broker","version":"affected 5.19.7 5.19.8 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ Broker","version":"affected 6.2.6 6.2.7 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ","version":"affected 5.19.7 5.19.8 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ","version":"affected 6.2.6 6.2.7 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ All","version":"affected 5.19.7 5.19.8 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache ActiveMQ All","version":"affected 6.2.6 6.2.7 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-50750","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-30T13:21:40.113842Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-30T13:21:45.456Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-broker","product":"Apache ActiveMQ Broker","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.8","status":"affected","version":"5.19.7","versionType":"semver"},{"lessThan":"6.2.7","status":"affected","version":"6.2.6","versionType":"semver"}]},{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:apache-activemq","product":"Apache ActiveMQ","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.8","status":"affected","version":"5.19.7","versionType":"semver"},{"lessThan":"6.2.7","status":"affected","version":"6.2.6","versionType":"semver"}]},{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-all","product":"Apache ActiveMQ All","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.8","status":"affected","version":"5.19.7","versionType":"semver"},{"lessThan":"6.2.7","status":"affected","version":"6.2.6","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.</p>Following the fix for  CVE-2026-49270&nbsp;an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending&nbsp;a ConnectionInfo, until the broker will crash with OOM.<br><p>This 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.</p><p>Users are recommended to upgrade to version 6.2.7, which fixes the issue.</p>"}],"value":"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."}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"description":"Denial of Service via Out of Memory","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-06-30T09:51:57.035Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr"}],"source":{"discovery":"UNKNOWN"},"title":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-50750","datePublished":"2026-06-30T09:51:57.035Z","dateReserved":"2026-06-06T19:20:20.134Z","dateUpdated":"2026-06-30T13:21:45.456Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-30 11:16:29","lastModifiedDate":"2026-06-30 14:16:27","problem_types":["CWE-400","Denial of Service via Out of Memory","CWE-400 CWE-400 Uncontrolled Resource Consumption"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-30T13:21:40.113842Z","id":"CVE-2026-50750","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"50750","Ordinal":"1","Title":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pr","CVE":"CVE-2026-50750","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"50750","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pr"}]}}}