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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-40970",
"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"state": "PUBLISHED",
"assignerShortName": "vmware",
"dateReserved": "2026-04-16T02:18:56.133Z",
"datePublished": "2026-04-27T19:09:58.835Z",
"dateUpdated": "2026-04-27T19:30:55.167Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"shortName": "vmware",
"dateUpdated": "2026-04-27T19:09:58.835Z"
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-295",
"description": "CWE-295: Improper Certificate Validation",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "Spring",
"product": "Spring Boot",
"versions": [
{
"status": "affected",
"version": "4.0.0",
"lessThan": "4.0.6",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server.\n\nAffected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "<p>When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server.</p><p>Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.</p>"
}
]
}
],
"references": [
{
"url": "https://spring.io/security/cve-2026-40970"
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV3_1": {
"version": "3.1",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW",
"baseSeverity": "MEDIUM",
"baseScore": 5,
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
}
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 1.0.1"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-04-27T19:30:39.247639Z",
"id": "CVE-2026-40970",
"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": "2026-04-27T19:30:55.167Z"
}
}
]
}
}