CVE-2026-40974 Security Details

CVE ID

CVE-2026-40974

CWE

CWE-295

CVE Description

Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL connection to Cassandra. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); Cassandra SSL auto-configuration. Versions that are no longer supported are also affected per vendor advisory.

Published

Apr 24, 2026

CVSS Score & Severity

9.8Critical

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

0.085%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/boot/autoconfigure/cassandra/CassandraAutoConfiguration.configureSsl(Lcom/datastax/oss/driver/api/core/CqlSessionBuilder;Lorg/springframework/boot/autoconfigure/cassandra/CassandraConnectionDetails;)V

JVMVulnerable params: 1

org/springframework/boot/cassandra/autoconfigure/CassandraAutoConfiguration.configureSsl(Lcom/datastax/oss/driver/api/core/CqlSessionBuilder;Lorg/springframework/boot/cassandra/autoconfigure/CassandraConnectionDetails;)V

JVMVulnerable params: 1

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT