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        "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": "2026-04-08T15:44:39.427Z"
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            "affected": [
                {
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "defaultStatus": "unaffected",
                    "packageName": "org.apache.activemq:activemq-client",
                    "product": "Apache ActiveMQ Client",
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                    "versions": [
                        {
                            "lessThan": "5.19.3",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                            "version": "6.0.0",
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                    ]
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                {
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "defaultStatus": "unaffected",
                    "packageName": "org.apache.activemq:activemq-broker",
                    "product": "Apache ActiveMQ Broker",
                    "vendor": "Apache Software Foundation",
                    "versions": [
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                            "lessThan": "5.19.3",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                        {
                            "lessThan": "6.2.2",
                            "status": "affected",
                            "version": "6.0.0",
                            "versionType": "semver"
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                    ]
                },
                {
                    "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": "5.19.3",
                            "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"
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                        {
                            "lessThan": "6.2.2",
                            "status": "affected",
                            "version": "6.0.0",
                            "versionType": "semver"
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                    ]
                },
                {
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "defaultStatus": "unaffected",
                    "packageName": "org.apache.activemq:apache-activemq",
                    "product": "Apache ActiveMQ",
                    "vendor": "Apache Software Foundation",
                    "versions": [
                        {
                            "lessThan": "5.19.3",
                            "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 \n\n Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ.\n\n<br><br>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><p>\n\n</p><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; Apache ActiveMQ Web: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ: before 5.19.3, from 6.0.0 before 6.2.2.</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.<br><p></p>"
                        }
                    ],
                    "value": "Improper validation and restriction of a classpath path name vulnerability in \n\n Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ.\n\n\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.\n\n\n\n\n\nThis 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; Apache ActiveMQ Web: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ: 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": [
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                    "other": {
                        "content": {
                            "text": "low"
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                        "type": "Textual description of severity"
                    }
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            ],
            "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": "2026-04-08T15:44:39.427Z"
            },
            "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 All, Apache ActiveMQ Web, Apache ActiveMQ: Improper Limitation of a Pathname to a Restricted Classpath Directory",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/04/06/4"
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            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 4.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "LOW"
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-07T14:04:21.706397Z",
                                "id": "CVE-2026-33227",
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                                        "Exploitation": "none"
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