{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27446", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-02-19T16:10:53.921Z", "datePublished": "2026-03-04T08:48:48.199Z", "dateUpdated": "2026-03-04T08:48:48.199Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.artemis:artemis-server", "product": "Apache Artemis", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.51.0", "status": "affected", "version": "2.50.0", "versionType": "semver"}]}, {"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.activemq:artemis-server", "product": "Apache ActiveMQ Artemis", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.44.0", "status": "affected", "version": "2.11.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Hardik Mehta <mehtahardik@proton.me>"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This could potentially result in message injection into any queue and/or message exfiltration from any queue via the rogue broker. This impacts environments that allow both:</p><p>- incoming Core protocol connections from untrusted sources to the broker</p><p>- outgoing Core protocol connections from the broker to untrusted targets</p><p>This issue affects:</p><p>- Apache Artemis from 2.50.0 through 2.51.0</p><p>- Apache ActiveMQ Artemis from 2.11.0 through 2.44.0.</p><p>Users are recommended to upgrade to Apache Artemis version 2.52.0, which fixes the issue.</p><p>The issue can be mitigated by either of the following:</p><p>- Remove Core protocol support from any acceptor receiving connections from untrusted sources. Incoming Core protocol connections are supported by default via the \"artemis\" acceptor listening on port 61616. See the \"protocols\" URL parameter configured for the acceptor. An acceptor URL without this parameter supports all protocols by default, including Core.</p><p>- Use two-way SSL (i.e. certificate-based authentication) in order to force every client to present the proper SSL certificate when establishing a connection before any message protocol handshake is attempted. This will prevent unauthenticated exploitation of this vulnerability.</p>"}], "value": "Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This could potentially result in message injection into any queue and/or message exfiltration from any queue via the rogue broker. This impacts environments that allow both:\n\n- incoming Core protocol connections from untrusted sources to the broker\n\n- outgoing Core protocol connections from the broker to untrusted targets\n\nThis issue affects:\n\n- Apache Artemis from 2.50.0 through 2.51.0\n\n- Apache ActiveMQ Artemis from 2.11.0 through 2.44.0.\n\nUsers are recommended to upgrade to Apache Artemis version 2.52.0, which fixes the issue.\n\nThe issue can be mitigated by either of the following:\n\n- Remove Core protocol support from any acceptor receiving connections from untrusted sources. Incoming Core protocol connections are supported by default via the \"artemis\" acceptor listening on port 61616. See the \"protocols\" URL parameter configured for the acceptor. An acceptor URL without this parameter supports all protocols by default, including Core.\n\n- Use two-way SSL (i.e. certificate-based authentication) in order to force every client to present the proper SSL certificate when establishing a connection before any message protocol handshake is attempted. This will prevent unauthenticated exploitation of this vulnerability."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"other": {"content": {"text": "critical"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-03-04T08:48:48.199Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/jwpsdc8tdxotm98od8n8n30fqlzoc8gg"}], "source": {"defect": ["ARTEMIS-5928"], "discovery": "EXTERNAL"}, "title": "Apache Artemis, Apache ActiveMQ Artemis: Auth bypass for Core downstream federation", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This could potentially result in message injection into any queue and/or message exfiltration from any queue via the rogue broker. This impacts environments that allow both:\n\n- incoming Core protocol connections from untrusted sources to the broker\n\n- outgoing Core protocol connections from the broker to untrusted targets\n\nThis issue affects:\n\n- Apache Artemis from 2.50.0 through 2.51.0\n\n- Apache ActiveMQ Artemis from 2.11.0 through 2.44.0.\n\nUsers are recommended to upgrade to Apache Artemis version 2.52.0, which fixes the issue.\n\nThe issue can be mitigated by either of the following:\n\n- Remove Core protocol support from any acceptor receiving connections from untrusted sources. Incoming Core protocol connections are supported by default via the \"artemis\" acceptor listening on port 61616. See the \"protocols\" URL parameter configured for the acceptor. An acceptor URL without this parameter supports all protocols by default, including Core.\n\n- Use two-way SSL (i.e. certificate-based authentication) in order to force every client to present the proper SSL certificate when establishing a connection before any message protocol handshake is attempted. This will prevent unauthenticated exploitation of this vulnerability."}], "id": "CVE-2026-27446", "lastModified": "2026-03-04T09:15:56.837", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@apache.org", "type": "Secondary"}]}, "published": "2026-03-04T09:15:56.837", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/jwpsdc8tdxotm98od8n8n30fqlzoc8gg"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "security@apache.org", "type": "Primary"}]}

{"bugzilla": {"description": "org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication", "id": "2444320", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2444320"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-306", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, restrict Core protocol support on acceptors receiving connections from untrusted sources. The default \"artemis\" acceptor on port 61616 supports all protocols, including Core. Modify the acceptor URL to explicitly exclude the Core protocol using the \"protocols\" URL parameter. Alternatively, configure two-way SSL with certificate-based authentication to prevent unauthenticated exploitation. A service restart or reload may be required for changes to take effect."}, "name": "CVE-2026-27446", "package_state": [{"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "AMQ Clients"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:optaplanner:::el6", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat build of OptaPlanner 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/dashboard-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/devspaces-operator-bundle", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "candlepin", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite:el8/candlepin", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Affected", "package_name": "artemis-server", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-03-04T06:06:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-27446\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-27446"], "statement": "This IMPORTANT vulnerability in Apache Artemis and Apache ActiveMQ Artemis allows an unauthenticated remote attacker to inject or exfiltrate messages by forcing a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker.", "threat_severity": "Important"}

{}