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MEDIUM · 5.0

CVE-2026-40974

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....

Vulnerability 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.

CVSS Score

5.0

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
VmwareSpring Boot>= 2.7.0, < 2.7.33

Related Weaknesses (CWE)

CWE-295

References

FAQ

What is CVE-2026-40974?

CVE-2026-40974 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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....

How severe is CVE-2026-40974?

CVE-2026-40974 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40974?

Check the references section above for vendor advisories and patch information. Affected products include: Vmware Spring Boot.