CVE-2026-40974

State: Published
Severity: 5.0 Medium
Published: Apr 27, 2026
Updated: Apr 28, 2026
Reserved: Apr 16, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	vmware

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Spring BootSpring	4.0.0 to before 4.0.6Affected 3.5.0 to before 3.5.14Affected 3.4.0 to before 3.4.16Affected 3.3.0 to before 3.3.19Affected 2.7.0 to before 2.7.33Affected

References

https://spring.io/security/cve-2026-40974

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