CVE-2026-40982
Full vulnerability record from the local CVENow database.
Description
Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack. Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater.
Severity
CRITICAL
CVSS score
9.1
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-07 04:16:24.790000
Last modified
2026-10-26 19:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-40982",
"sourceIdentifier": "[email protected]",
"published": "2026-05-07T04:16:24.790",
"lastModified": "2026-10-26T19:10:00.163",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack.\nSpring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater."
},
{
"lang": "es",
"value": "Spring Cloud Config permite a las aplicaciones servir archivos de texto y binarios arbitrarios a través del módulo spring-cloud-config-server. Un usuario malintencionado, o atacante, puede enviar una solicitud utilizando una URL especialmente diseñada que puede conducir a un ataque de salto de directorio.\nSpring Cloud Config 3.1.x: afectado desde 3.1.0 hasta 3.1.13 (inclusive); actualice a 3.1.14 o superior (solo soporte empresarial). Spring Cloud Config 4.1.x: afectado desde 4.1.0 hasta 4.1.9 (inclusive); actualice a 4.1.10 o superior (solo soporte empresarial). Spring Cloud Config 4.2.x: afectado desde 4.2.0 hasta 4.2.6 (inclusive); actualice a 4.2.7 o superior (solo soporte empresarial). Spring Cloud Config 4.3.x: afectado desde 4.3.0 hasta 4.3.2 (inclusive); actualice a 4.3.3 o superior. Spring Cloud Config 5.0.x: afectado desde 5.0.0 hasta 5.0.2 (inclusive); actualice a 5.0.3 o superior."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Spring",
"product": "Spring Cloud Config",
"defaultStatus": "unaffected",
"versions": [
{
"version": "3.1.0",
"lessThan": "3.1.14",
"versionType": "custom",
"status": "affected"
},
{
"version": "4.1.0",
"lessThan": "4.1.10",
"versionType": "custom",
"status": "affected"
},
{
"version": "4.2.0",
"lessThan": "4.2.7",
"versionType": "custom",
"status": "affected"
},
{
"version": "4.3.0",
"lessThan": "4.3.3",
"versionType": "custom",
"status": "affected"
},
{
"version": "5.0.0",
"lessThan": "5.0.3",
"versionType": "custom",
"status": "affected"
}
]
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "log4j:2/log4j",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "spring-cloud-config-server",
"cpes": [
"cpe:/a:redhat:jbosseapxp"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 4.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-09T03:55:58.317317Z",
"id": "CVE-2026-40982",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1.0",
"versionEndExcluding": "3.1.14",
"matchCriteriaId": "A35B9ECF-3B4A-4E35-8CDE-54EC21E723DB"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.1.0",
"versionEndExcluding": "4.1.10",
"matchCriteriaId": "446B9053-153B-41E3-A339-C216572E5450"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2.0",
"versionEndExcluding": "4.2.7",
"matchCriteriaId": "2B36B389-41C0-400D-BA92-F5905C9BEBFD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.3.0",
"versionEndExcluding": "4.3.3",
"matchCriteriaId": "5E965315-4507-461D-979F-D5F5602EC8D3"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0.0",
"versionEndExcluding": "5.0.3",
"matchCriteriaId": "218A144D-2CDA-4873-899C-7D8718D5601F"
}
]
}
]
}
],
"references": [
{
"url": "https://spring.io/security/cve-2026-40982",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-40982",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467619",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40982.json",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
]
}