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vuln-cve/data/2026/33xxx/CVE-2026-33227.json
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{
"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": "2026-04-08T15:44:39.427Z"
},
"containers": {
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"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 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"
},
{
"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: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": [
{
"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": "2026-04-08T15:44:39.427Z"
},
"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"
}
},
"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"
}
},
{
"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"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-04-07T14:04:21.706397Z",
"id": "CVE-2026-33227",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-04-07T14:05:29.211Z"
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}