CVE-2026-40970

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Source
https://cve.org/CVERecord?id=CVE-2026-40970
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40970.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40970
Aliases
Published
2026-04-27T19:09:58.835Z
Modified
2026-07-08T08:13:12.906057430Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server.

Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.

Database specific 
{
    "cna_assigner": "vmware",
    "cwe_ids": [
        "CWE-295"
    ],
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "4.0.0"
                },
                {
                    "fixed": "4.0.6"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40970.json"
}
References

Affected packages

Git / github.com/spring-projects/spring-boot

Affected ranges

Type
GIT
Repo
https://github.com/spring-projects/spring-boot
Events
Introduced
1c0e08b4c434b0e77a83098267b2a0f5a3fc56d7
Fixed
8821ad2cd381bb4b9615a61479e1de7305a8ba39
Database specific 
{
    "extracted_events": [
        {
            "introduced": "4.0.0"
        },
        {
            "fixed": "4.0.6"
        }
    ],
    "cpe": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40970.json"