{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33227", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-03-18T00:08:09.668Z", "datePublished": "2026-04-07T07:50:58.897Z", "dateUpdated": "2026-04-07T08:29:12.768Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.activemq:activemq-client", "product": "Apache ActiveMQ Client", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "5.19.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "6.2.2", "status": "affected", "version": "6.0.0", "versionType": "semver"}]}, {"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": "5.19.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "6.2.2", "status": "affected", "version": "6.0.0", "versionType": "semver"}]}, {"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.activemq:activemq-all", "product": "Apache ActiveMQ", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "5.19.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "6.2.2", "status": "affected", "version": "6.0.0", "versionType": "semver"}]}, {"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.activemq:activemq-web", "product": "Apache ActiveMQ Web", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "5.19.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "6.2.2", "status": "affected", "version": "6.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Dawei Wang"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All.</p>In two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided \"key\" value could be constructed to traverse the classpath due to path concatenation. As a result, the application is exposed to a classpath path resource loading vulnerability that could potentially be chained together with another attack to lead to exploit.<p>This issue affects Apache ActiveMQ Client: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ Broker: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ All: before 5.19.3, from 6.0.0 before 6.2.2.</p><p>Users are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue. Note: 5.19.3 and 6.2.2 also fix this issue, but that is limited to non-Windows environments due to a path separator resolution bug fixed in 5.19.4 and 6.2.3.&nbsp;</p>"}], "value": "Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All.\n\nIn two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided \"key\" value could be constructed to traverse the classpath due to path concatenation. As a result, the application is exposed to a classpath path resource loading vulnerability that could potentially be chained together with another attack to lead to exploit.This issue affects Apache ActiveMQ Client: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ Broker: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ All: before 5.19.3, from 6.0.0 before 6.2.2.\n\nUsers are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue. Note: 5.19.3 and 6.2.2 also fix this issue, but that is limited to non-Windows environments due to a path separator resolution bug fixed in 5.19.4 and 6.2.3."}], "metrics": [{"other": {"content": {"text": "low"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "description": "CWE-22 Improper input validation for resource loading", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-04-07T07:50:58.897Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://activemq.apache.org/security-advisories.data/CVE-2026-33227-announcement.txt"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ Web: Improper Limitation of a Pathname to a Restricted Classpath Directory", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/04/06/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-04-07T08:29:12.768Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All.\n\nIn two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided \"key\" value could be constructed to traverse the classpath due to path concatenation. As a result, the application is exposed to a classpath path resource loading vulnerability that could potentially be chained together with another attack to lead to exploit.This issue affects Apache ActiveMQ Client: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ Broker: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ All: before 5.19.3, from 6.0.0 before 6.2.2.\n\nUsers are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue. Note: 5.19.3 and 6.2.2 also fix this issue, but that is limited to non-Windows environments due to a path separator resolution bug fixed in 5.19.4 and 6.2.3."}], "id": "CVE-2026-33227", "lastModified": "2026-04-07T09:16:20.750", "metrics": {}, "published": "2026-04-07T09:16:20.750", "references": [{"source": "security@apache.org", "url": "https://activemq.apache.org/security-advisories.data/CVE-2026-33227-announcement.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/04/06/4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security@apache.org", "type": "Primary"}]}

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