CVE-2026-40970
mediumpriority · track · 27EPSS 0.001 · 3 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
- Red Hat Enterprise Linux Apache Camel for Spring Bootall versionscert_bundDEcpe:/o:redhat:enterprise_linux:apache_camel_for_spring_boot
- Maven org.springframework.boot:spring-boot-elasticsearch4.0.0 → 4.0.6osvUSpkg:maven/org.springframework.boot/spring-boot-elasticsearch
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1263VMware Tanzu Spring Boot: Mehrere SchwachstellenDeutsch2026-04-23csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Boot ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Daten zu manipulieren oder offenzulegen oder authentifizierte Benutzer zu kapern.
- GHSA-c96x-rpm4-349pSpring Boot's Elasticsearch auto-configuration doesn't perform hostname verification when connecting to the Elasticsearch server.2026-04-27ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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