{"cve":"CVE-2026-40970","nvd":{"published":"2026-04-27T19:16:52.967","modified":"2026-10-26T21:10:00.170","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":6.8},"cwes":["CWE-295"],"references":["https://spring.io/security/cve-2026-40970"],"products":["vmware:spring_boot"],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-40970","score":0.00136,"percentile":0.02987,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-c96x-rpm4-349p","url":"https://osv.dev/vulnerability/GHSA-c96x-rpm4-349p","summary":"Spring Boot's Elasticsearch auto-configuration doesn't perform hostname verification when connecting to the Elasticsearch server.","modified":"2026-05-06T18:56:34.849063Z","packages":[{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-elasticsearch","purl":"pkg:maven/org.springframework.boot/spring-boot-elasticsearch","ranges":[">=4.0.0 <4.0.6"],"fixed":["4.0.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}